Bump org.postgresql:postgresql from 42.7.8 to 42.7.11

Bumps [org.postgresql:postgresql](https://github.com/pgjdbc/pgjdbc) from 42.7.8 to 42.7.11.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.7.8...REL42.7.11)

---
updated-dependencies:
- dependency-name: org.postgresql:postgresql
  dependency-version: 42.7.11
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pom.xml

@@ -34,7 +34,7 @@
         <docker-client.version>7.0.8-OA-5</docker-client.version>
         <javax-annotation-api.version>1.3.2</javax-annotation-api.version>
         <monetdb-jdbc.version>12.0</monetdb-jdbc.version>
-        <postgresql.version>42.7.8</postgresql.version>
+        <postgresql.version>42.7.11</postgresql.version>
         <fabric8-client.version>7.6.1</fabric8-client.version>
         <jquery.version>3.7.1</jquery.version>
         <fontawesome.version>4.7.0</fontawesome.version>