Bump org.postgresql:postgresql from 42.5.1 to 42.5.5

Bumps [org.postgresql:postgresql](https://github.com/pgjdbc/pgjdbc) from 42.5.1 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@REL42.5.1...REL42.5.5)

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

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

pom.xml

@@ -119,7 +119,7 @@
         <version.maven-release-plugin.scm>1.13.0</version.maven-release-plugin.scm>
 
         <!-- Database Evolution -->
-        <version.org.postgresql>42.5.1</version.org.postgresql>
+        <version.org.postgresql>42.5.5</version.org.postgresql>
         <liquibase.propertyFile>${project.basedir}/liquibase.properties</liquibase.propertyFile>
 
         <!-- UML -->
@@ -333,7 +333,7 @@
             <dependency>
                 <groupId>org.postgresql</groupId>
                 <artifactId>postgresql</artifactId>
-                <version>42.5.1</version>
+                <version>42.5.5</version>
             </dependency>
             <dependency>
                 <groupId>org.glassfish.jaxb</groupId>