Bump org.postgresql:postgresql from 42.7.2 to 42.7.8

Bumps [org.postgresql:postgresql](https://github.com/pgjdbc/pgjdbc) from 42.7.2 to 42.7.8.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.7.2...REL42.7.8)

---
updated-dependencies:
- dependency-name: org.postgresql:postgresql
  dependency-version: 42.7.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

super/pom.xml

@@ -134,7 +134,7 @@ SPDX-License-Identifier: Apache-2.0
     <cucumber.version>5.7.0</cucumber.version>
     <testcontainers.version>1.21.3</testcontainers.version>
     <sun.httpserver.version>20070405</sun.httpserver.version>
-    <postgresql.version>42.7.2</postgresql.version>
+    <postgresql.version>42.7.8</postgresql.version>
     <jakarta.xml.soap-api.version>3.0.1</jakarta.xml.soap-api.version>
     <kafka.version>3.8.1</kafka.version>
     <avro.version>1.11.4</avro.version>