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] <[email protected]>

pom.xml

@@ -66,7 +66,7 @@
 
         <!-- JDBC Drivers -->
         <mysql-driver.version>8.1.0</mysql-driver.version>
-        <postgresql-driver.version>42.7.2</postgresql-driver.version>
+        <postgresql-driver.version>42.7.3</postgresql-driver.version>
 
         <!-- Others -->
         <jackson.version>2.16.1</jackson.version>