Bump org.postgresql:postgresql from 42.7.3 to 42.7.4

Bumps [org.postgresql:postgresql](https://github.com/pgjdbc/pgjdbc) from 42.7.3 to 42.7.4.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.7.3...REL42.7.4)

---
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

@@ -24,7 +24,7 @@
         <spring-security.version>6.3.3</spring-security.version> <!-- sync with version used by spring-boot-->
         <hibernate.version>6.4.8.Final</hibernate.version>
         <hibernate-validator.version>8.0.1.Final</hibernate-validator.version>
-        <postgresql.driver.version>42.7.3</postgresql.driver.version>
+        <postgresql.driver.version>42.7.4</postgresql.driver.version>
         <flyway.version>10.10.0</flyway.version>
         <solr.client.version>8.11.3</solr.client.version>