Bump org.postgresql:postgresql from 42.7.7 to 42.7.8 (#317)

Bumps [org.postgresql:postgresql](https://github.com/pgjdbc/pgjdbc) from 42.7.7 to 42.7.8.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.7.7...REL42.7.8)

---
updated-dependencies:
- dependency-name: org.postgresql:postgresql
  dependency-version: 42.7.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Ivan Vakhrushev <[email protected]>

Author: dependabot[bot]

common-internal-bom/build.gradle.kts

@@ -26,6 +26,6 @@ dependencies {
         api("com.github.blagerweij:liquibase-sessionlock:1.6.9")
         api("org.awaitility:awaitility:4.3.0")
         api("com.zaxxer:HikariCP:7.0.2")
-        api("org.postgresql:postgresql:42.7.7")
+        api("org.postgresql:postgresql:42.7.8")
     }
 }