Bump postgresql from 42.2.2 to 42.3.3 in /kernel/kernel-salt-generator

Bumps [postgresql](https://github.com/pgjdbc/pgjdbc) from 42.2.2 to 42.3.3.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.2.2...REL42.3.3)

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

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

kernel/kernel-salt-generator/pom.xml

@@ -51,7 +51,7 @@
 		<!-- data -->
 		<h2.version>1.4.197</h2.version>
 		<mysql.connector.version>5.1.46</mysql.connector.version>
-		<postgresql.version>42.2.2</postgresql.version>
+		<postgresql.version>42.3.3</postgresql.version>
 		<eclipselink.version>2.5.0</eclipselink.version>
 		<hibernate.version>5.2.17.Final</hibernate.version>
 		<hibernate.validator.version>6.0.12.Final</hibernate.validator.version>