Bump org.postgresql:postgresql from 42.7.5 to 42.7.7 (#2)

Bumps [org.postgresql:postgresql](https://github.com/pgjdbc/pgjdbc) from 42.7.5 to 42.7.7.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.7.5...REL42.7.7)

---
updated-dependencies:
- dependency-name: org.postgresql:postgresql
  dependency-version: 42.7.7
  dependency-type: direct:production
...

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gradle/libs.versions.toml

@@ -9,7 +9,7 @@ jdbi3 = "3.52.0"
 jspecify = "1.0.0"
 jsr305 = "3.0.2"
 junit-jupiter = "6.0.3"
-postgresql = "42.7.5"
+postgresql = "42.7.7"
 testcontainers = "2.0.4"
 
 [libraries]