Bump the database group across 1 directory with 2 updates

Bumps the database group with 2 updates in the /api directory: [org.flywaydb:flyway-core](https://github.com/flyway/flyway) and org.flywaydb:flyway-database-postgresql.


Updates `org.flywaydb:flyway-core` from 10.17.2 to 10.18.0
- [Release notes](https://github.com/flyway/flyway/releases)
- [Commits](flyway/flyway@flyway-10.17.2...flyway-10.18.0)

Updates `org.flywaydb:flyway-database-postgresql` from 10.17.2 to 10.18.0

---
updated-dependencies:
- dependency-name: org.flywaydb:flyway-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: database
- dependency-name: org.flywaydb:flyway-database-postgresql
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: database
...

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

api/app/build.gradle.kts

@@ -97,8 +97,8 @@ dependencies {
  implementation("io.ktor:ktor-serialization-kotlinx-json")
  implementation("io.ktor:ktor-server-mustache")
  implementation("ch.qos.logback:logback-classic:1.5.7")
- implementation("org.flywaydb:flyway-core:10.17.2")
- implementation("org.flywaydb:flyway-database-postgresql:10.17.2")
+ implementation("org.flywaydb:flyway-core:10.18.0")
+ implementation("org.flywaydb:flyway-database-postgresql:10.18.0")
  implementation(platform("org.jdbi:jdbi3-bom:3.45.4"))
  implementation("org.postgresql:postgresql:42.7.4")
  implementation("org.jdbi:jdbi3-core")