Bump org.postgresql:postgresql from 42.6.0 to 42.7.0

Bumps [org.postgresql:postgresql](https://github.com/pgjdbc/pgjdbc) from 42.6.0 to 42.7.0.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.6.0...REL42.7.0)

---
updated-dependencies:
- dependency-name: org.postgresql:postgresql
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

build.gradle.kts

@@ -25,7 +25,7 @@ val googleCloudStorageVersion = "2.29.0"
 val junitJupiterVersion = "5.10.0"
 val flywayVersion = "9.22.3"
 val hikariVersion = "5.0.1"
-val postgresVersion = "42.6.0"
+val postgresVersion = "42.7.0"
 val embeddedPostgresVersion = "2.0.4"
 val commonsCodecVersion = "1.16.0"
 val ktfmtVersion = "0.44"