Bump org.postgresql:postgresql from 42.7.6 to 42.7.7 in the maven group (#489)

Bumps the maven group with 1 update: [org.postgresql:postgresql](https://github.com/pgjdbc/pgjdbc).


Updates `org.postgresql:postgresql` from 42.7.6 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@REL42.7.6...REL42.7.7)

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

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

Author: dependabot[bot]

pom.xml

@@ -143,7 +143,7 @@
     <ning.http.client.version>1.9.31</ning.http.client.version>
     <oval.version>3.2.1</oval.version>
     <play.ws.version>3.0.7</play.ws.version>
-    <postgresql.version>42.7.6</postgresql.version>
+    <postgresql.version>42.7.7</postgresql.version>
     <protobuf.version>4.31.1</protobuf.version>
     <reflections.version>0.11.7</reflections.version>
     <scala.version>2.13</scala.version>