Bump the gradle group with 3 updates

Bumps the gradle group with 3 updates: [org.testcontainers:junit-jupiter](https://github.com/testcontainers/testcontainers-java), [org.testcontainers:postgresql](https://github.com/testcontainers/testcontainers-java) and [org.testcontainers:testcontainers](https://github.com/testcontainers/testcontainers-java).


Updates `org.testcontainers:junit-jupiter` from 1.19.7 to 1.19.8
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.19.7...1.19.8)

Updates `org.testcontainers:postgresql` from 1.19.7 to 1.19.8
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.19.7...1.19.8)

Updates `org.testcontainers:testcontainers` from 1.19.7 to 1.19.8
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.19.7...1.19.8)

Updates `org.testcontainers:postgresql` from 1.19.7 to 1.19.8
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.19.7...1.19.8)

Updates `org.testcontainers:testcontainers` from 1.19.7 to 1.19.8
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.19.7...1.19.8)

---
updated-dependencies:
- dependency-name: org.testcontainers:junit-jupiter
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gradle
- dependency-name: org.testcontainers:postgresql
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gradle
- dependency-name: org.testcontainers:testcontainers
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gradle
- dependency-name: org.testcontainers:postgresql
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gradle
- dependency-name: org.testcontainers:testcontainers
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gradle
...

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

build.gradle.kts

@@ -40,7 +40,7 @@ val orgJsonVersion = "20240303"
 val graphQLKotlinVersion = "7.1.1"
 val k9FormatVersion = "8.3.4"
 val teamDokumenthåndteringAvroSchemaVersion = "357738b9"
-val testContainersVersion = "1.19.7"
+val testContainersVersion = "1.19.8"
 val springdocVersion = "2.5.0"
 
 repositories {