build(deps): bump org.postgresql:postgresql from 42.7.11 to 42.7.13

Bumps [org.postgresql:postgresql](https://github.com/pgjdbc/pgjdbc) from 42.7.11 to 42.7.13.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.7.11...REL42.7.13)

---
updated-dependencies:
- dependency-name: org.postgresql:postgresql
  dependency-version: 42.7.13
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -13,7 +13,7 @@ jspecify = "1.0.0"
 junit = "6.1.1"
 nmcp = "1.6.1"
 picocli = "4.7.7"
-postgresql = "42.7.11"
+postgresql = "42.7.13"
 protobuf-plugin = "0.10.0"
 protobuf = "4.35.1"
 scala-2-12 = "2.12.20"