build(deps-dev): bump postgresql in /parallel-consumer-core

Bumps [postgresql](https://github.com/pgjdbc/pgjdbc) from 42.4.0 to 42.4.1.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.4.0...REL42.4.1)

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

Signed-off-by: dependabot[bot] <support@github.com>

parallel-consumer-core/pom.xml

@@ -85,7 +85,7 @@
         <dependency>
             <groupId>org.postgresql</groupId>
             <artifactId>postgresql</artifactId>
-            <version>42.4.0</version>
+            <version>42.4.1</version>
             <scope>test</scope>
         </dependency>
         <dependency>