maven(deps): bump postgresql from 42.3.5 to 42.4.0 (#4098)

Bumps [postgresql](https://github.com/pgjdbc/pgjdbc) from 42.3.5 to 42.4.0.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.3.5...REL42.4.0)

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

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

pom.xml

@@ -399,7 +399,7 @@
 			<dependency>
 				<groupId>org.postgresql</groupId>
 				<artifactId>postgresql</artifactId>
-				<version>42.3.5</version>
+				<version>42.4.0</version>
 				<scope>runtime</scope>
 			</dependency>
 			<dependency>