Bump org.postgresql:postgresql from 42.7.2 to 42.7.3

Bumps [org.postgresql:postgresql](https://github.com/pgjdbc/pgjdbc) from 42.7.2 to 42.7.3.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.7.2...REL42.7.3)

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

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

pom.xml

@@ -503,7 +503,7 @@ under the License.
     <docker.mariadb.version>11</docker.mariadb.version>
     <docker.neo4j.version>5.17.0</docker.neo4j.version>
 
-    <jdbc.postgresql.version>42.7.2</jdbc.postgresql.version>
+    <jdbc.postgresql.version>42.7.3</jdbc.postgresql.version>
     <jdbc.mysql.version>8.3.0</jdbc.mysql.version>
     <jdbc.mariadb.version>3.3.3</jdbc.mariadb.version>
     <jdbc.mssql.version>12.6.1.jre11</jdbc.mssql.version>