Bump postgresql from 42.3.3 to 42.4.1 in /frameworks/Java/javalin (#7524)

Bumps [postgresql](https://github.com/pgjdbc/pgjdbc) from 42.3.3 to 42.4.1.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](https://github.com/pgjdbc/pgjdbc/compare/REL42.3.3...REL42.4.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

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

frameworks/Java/javalin/pom.xml

@@ -15,7 +15,7 @@
         <slf4j.version>1.7.30</slf4j.version>
         <jackson.version>2.12.6.1</jackson.version>
         <hikaricp.version>4.0.2</hikaricp.version>
-        <postgresql.version>42.3.3</postgresql.version>
+        <postgresql.version>42.4.1</postgresql.version>
         <mongodb.version>4.2.1</mongodb.version>
         <pebble.version>3.1.5</pebble.version>
     </properties>