HSEARCH-4642 Bump postgresql from 42.4.2 to 42.5.0

Bumps [postgresql](https://github.com/pgjdbc/pgjdbc) from 42.4.2 to 42.5.0.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.4.2...REL42.5.0)

---
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

@@ -348,7 +348,7 @@
         <!-- Sticking to Derby 10.14 for now since later versions require JDK 9+, and we need to test with JDK 8.
              See https://db.apache.org/derby/derby_downloads.html -->
         <version.org.apache.derby>10.14.2.0</version.org.apache.derby>
-        <version.org.postgresql>42.4.2</version.org.postgresql>
+        <version.org.postgresql>42.5.0</version.org.postgresql>
         <version.org.mariadb.jdbc>3.0.7</version.org.mariadb.jdbc>
         <version.mysql.mysql-connector-java>8.0.30</version.mysql.mysql-connector-java>
         <version.com.ibm.db2.jcc>11.5.7.0</version.com.ibm.db2.jcc>