Bump org.postgresql:postgresql from 42.7.4 to 42.7.7

Bumps [org.postgresql:postgresql](https://github.com/pgjdbc/pgjdbc) from 42.7.4 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@REL42.7.4...REL42.7.7)

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

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

Author: dependabot[bot]

pom.xml

@@ -40,7 +40,7 @@
     <guava-version>33.3.1-jre</guava-version>
     <okhttp-version>4.10.0</okhttp-version>
     <jackson-dataformat-xml-version>2.18.2</jackson-dataformat-xml-version>
-    <postgresql-version>42.7.4</postgresql-version>
+    <postgresql-version>42.7.7</postgresql-version>
     <!--<mockito.version>5.10.0</mockito.version> -->
     <keycloak-version>25.0.3</keycloak-version>
     <caffeine-version>3.2.0</caffeine-version>