Bump org.postgresql:postgresql from 42.5.4 to 42.5.5

Bumps [org.postgresql:postgresql](https://github.com/pgjdbc/pgjdbc) from 42.5.4 to 42.5.5.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.5.4...REL42.5.5)

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

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

pom.xml

@@ -52,7 +52,7 @@
         <powermock.version>2.0.9</powermock.version>
         <hsqldb.version>2.7.1</hsqldb.version>
         <test.persistence.unit>viewer-config-hsqldb</test.persistence.unit>
-        <postgresql.version>42.5.4</postgresql.version>
+        <postgresql.version>42.5.5</postgresql.version>
         <mssql.version>11.2.3.jre8</mssql.version>
         <oracle.version>21.9.0.0</oracle.version>
         <apache.poi.version>5.2.3</apache.poi.version>