Bump postgresql from 42.4.1 to 42.6.0

Bumps [postgresql](https://github.com/pgjdbc/pgjdbc) from 42.4.1 to 42.6.0.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.4.1...REL42.6.0)

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

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

pom.xml

@@ -105,7 +105,7 @@
         <mariadb.version>2.7.3</mariadb.version>
         <netty3.version>3.10.6.Final</netty3.version>
         <netty4.version>4.1.94.Final</netty4.version>
-        <postgresql.version>42.4.3</postgresql.version>
+        <postgresql.version>42.6.0</postgresql.version>
         <protobuf.version>3.21.7</protobuf.version>
         <resilience4j.version>1.3.1</resilience4j.version>
         <slf4j.version>1.7.36</slf4j.version>