chore(deps): bump org.flywaydb:flyway-core from 9.17.0 to 9.18.0 (#349)

Bumps [org.flywaydb:flyway-core](https://github.com/flyway/flyway) from 9.17.0 to 9.18.0.
- [Release notes](https://github.com/flyway/flyway/releases)
- [Commits](flyway/flyway@flyway-9.17.0...flyway-9.18.0)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

edc-extensions/postgresql-migration/build.gradle.kts

@@ -11,5 +11,5 @@ dependencies {
  implementation(edc.sql.assetindex)
  implementation(edc.sql.core)
 
- implementation("org.flywaydb:flyway-core:9.17.0")
+ implementation("org.flywaydb:flyway-core:9.18.0")
 }