Bump the major group with 9 updates

Bumps the major group with 9 updates:

| Package | From | To |
| --- | --- | --- |
| [org.jetbrains.kotlin:kotlin-stdlib](https://github.com/JetBrains/kotlin) | `1.8.20` | `2.0.21` |
| [org.jetbrains.kotlin:kotlin-test-junit5](https://github.com/JetBrains/kotlin) | `1.8.20` | `2.0.21` |
| [org.jetbrains.kotlin.jvm](https://github.com/JetBrains/kotlin) | `1.8.20` | `2.0.21` |
| [org.jetbrains.kotlin.plugin.serialization](https://github.com/JetBrains/kotlin) | `1.8.20` | `2.0.21` |
| [io.ktor:ktor-client-core](https://github.com/ktorio/ktor) | `2.2.1` | `3.0.1` |
| [io.ktor:ktor-client-content-negotiation](https://github.com/ktorio/ktor) | `2.2.1` | `3.0.1` |
| [io.ktor:ktor-serialization-kotlinx-json](https://github.com/ktorio/ktor) | `2.2.1` | `3.0.1` |
| [io.ktor:ktor-client-okhttp](https://github.com/ktorio/ktor) | `2.2.1` | `3.0.1` |
| [io.ktor:ktor-client-mock](https://github.com/ktorio/ktor) | `2.2.1` | `3.0.1` |


Updates `org.jetbrains.kotlin:kotlin-stdlib` from 1.8.20 to 2.0.21
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.8.20...v2.0.21)

Updates `org.jetbrains.kotlin:kotlin-test-junit5` from 1.8.20 to 2.0.21
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.8.20...v2.0.21)

Updates `org.jetbrains.kotlin.jvm` from 1.8.20 to 2.0.21
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.8.20...v2.0.21)

Updates `org.jetbrains.kotlin.plugin.serialization` from 1.8.20 to 2.0.21
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.8.20...v2.0.21)

Updates `org.jetbrains.kotlin:kotlin-test-junit5` from 1.8.20 to 2.0.21
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.8.20...v2.0.21)

Updates `io.ktor:ktor-client-core` from 2.2.1 to 3.0.1
- [Release notes](https://github.com/ktorio/ktor/releases)
- [Changelog](https://github.com/ktorio/ktor/blob/main/CHANGELOG.md)
- [Commits](ktorio/ktor@2.2.1...3.0.1)

Updates `io.ktor:ktor-client-content-negotiation` from 2.2.1 to 3.0.1
- [Release notes](https://github.com/ktorio/ktor/releases)
- [Changelog](https://github.com/ktorio/ktor/blob/main/CHANGELOG.md)
- [Commits](ktorio/ktor@2.2.1...3.0.1)

Updates `io.ktor:ktor-serialization-kotlinx-json` from 2.2.1 to 3.0.1
- [Release notes](https://github.com/ktorio/ktor/releases)
- [Changelog](https://github.com/ktorio/ktor/blob/main/CHANGELOG.md)
- [Commits](ktorio/ktor@2.2.1...3.0.1)

Updates `io.ktor:ktor-client-okhttp` from 2.2.1 to 3.0.1
- [Release notes](https://github.com/ktorio/ktor/releases)
- [Changelog](https://github.com/ktorio/ktor/blob/main/CHANGELOG.md)
- [Commits](ktorio/ktor@2.2.1...3.0.1)

Updates `io.ktor:ktor-client-mock` from 2.2.1 to 3.0.1
- [Release notes](https://github.com/ktorio/ktor/releases)
- [Changelog](https://github.com/ktorio/ktor/blob/main/CHANGELOG.md)
- [Commits](ktorio/ktor@2.2.1...3.0.1)

Updates `io.ktor:ktor-client-content-negotiation` from 2.2.1 to 3.0.1
- [Release notes](https://github.com/ktorio/ktor/releases)
- [Changelog](https://github.com/ktorio/ktor/blob/main/CHANGELOG.md)
- [Commits](ktorio/ktor@2.2.1...3.0.1)

Updates `io.ktor:ktor-serialization-kotlinx-json` from 2.2.1 to 3.0.1
- [Release notes](https://github.com/ktorio/ktor/releases)
- [Changelog](https://github.com/ktorio/ktor/blob/main/CHANGELOG.md)
- [Commits](ktorio/ktor@2.2.1...3.0.1)

Updates `io.ktor:ktor-client-okhttp` from 2.2.1 to 3.0.1
- [Release notes](https://github.com/ktorio/ktor/releases)
- [Changelog](https://github.com/ktorio/ktor/blob/main/CHANGELOG.md)
- [Commits](ktorio/ktor@2.2.1...3.0.1)

Updates `io.ktor:ktor-client-mock` from 2.2.1 to 3.0.1
- [Release notes](https://github.com/ktorio/ktor/releases)
- [Changelog](https://github.com/ktorio/ktor/blob/main/CHANGELOG.md)
- [Commits](ktorio/ktor@2.2.1...3.0.1)

Updates `org.jetbrains.kotlin.jvm` from 1.8.20 to 2.0.21
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.8.20...v2.0.21)

Updates `org.jetbrains.kotlin.plugin.serialization` from 1.8.20 to 2.0.21
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.8.20...v2.0.21)

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin:kotlin-stdlib
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: major
- dependency-name: org.jetbrains.kotlin:kotlin-test-junit5
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: major
- dependency-name: org.jetbrains.kotlin.jvm
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: major
- dependency-name: org.jetbrains.kotlin.plugin.serialization
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: major
- dependency-name: org.jetbrains.kotlin:kotlin-test-junit5
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: major
- dependency-name: io.ktor:ktor-client-core
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: major
- dependency-name: io.ktor:ktor-client-content-negotiation
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: major
- dependency-name: io.ktor:ktor-serialization-kotlinx-json
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: major
- dependency-name: io.ktor:ktor-client-okhttp
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: major
- dependency-name: io.ktor:ktor-client-mock
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: major
- dependency-name: io.ktor:ktor-client-content-negotiation
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: major
- dependency-name: io.ktor:ktor-serialization-kotlinx-json
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: major
- dependency-name: io.ktor:ktor-client-okhttp
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: major
- dependency-name: io.ktor:ktor-client-mock
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: major
- dependency-name: org.jetbrains.kotlin.jvm
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: major
- dependency-name: org.jetbrains.kotlin.plugin.serialization
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: major
...

Signed-off-by: dependabot[bot] <support@github.com>

gradle/libs.versions.toml

@@ -8,10 +8,10 @@ hoplite = "2.7.0"
 jjwt = "0.12.5"
 java-stellar-sdk = "1.0.0-rc0"
 dokka = "1.6.10"
-kotlin = "1.8.20"
+kotlin = "2.0.21"
 kotlinx-json = "1.5.0"
 kotlinx-datetime = "0.4.0"
-ktor = "2.2.1"
+ktor = "3.0.1"
 mockk = "1.12.2"
 okhttp3 = "4.9.3"
 kotlin-logging = "3.0.2"