Bump org.postgresql:postgresql from 42.4.1 to 42.4.4

Bumps [org.postgresql:postgresql](https://github.com/pgjdbc/pgjdbc) from 42.4.1 to 42.4.4.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.4.1...REL42.4.4)

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

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

pom.xml

@@ -346,7 +346,7 @@
                 <dependency>
                     <groupId>org.postgresql</groupId>
                     <artifactId>postgresql</artifactId>
-                    <version>42.4.1</version>
+                    <version>42.4.4</version>
                     <scope>runtime</scope>
                 </dependency>
             </dependencies>