Bump postgresql from 42.3.3 to 42.3.4

Bumps [postgresql](https://github.com/pgjdbc/pgjdbc) from 42.3.3 to 42.3.4.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.3.3...REL42.3.4)

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

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

Author: dependabot[bot]

pom.xml

@@ -235,7 +235,7 @@
     <dependency>
       <groupId>org.postgresql</groupId>
       <artifactId>postgresql</artifactId>
-      <version>42.3.3</version>
+      <version>42.3.4</version>
       <scope>test</scope>
     </dependency>
     <dependency>