build(deps): bump org.postgresql:postgresql in /modules/dataverse-parent

Bumps [org.postgresql:postgresql](https://github.com/pgjdbc/pgjdbc) from 42.7.4 to 42.7.7.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.7.4...REL42.7.7)

---
updated-dependencies:
- dependency-name: org.postgresql:postgresql
  dependency-version: 42.7.7
  dependency-type: direct:production
...

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

Author: dependabot[bot]

modules/dataverse-parent/pom.xml

@@ -149,7 +149,7 @@
 
         <!-- Major system components and dependencies -->
         <payara.version>6.2025.3</payara.version>
-        <postgresql.version>42.7.4</postgresql.version>
+        <postgresql.version>42.7.7</postgresql.version>
         <solr.version>9.8.0</solr.version>
         <aws.version>1.12.748</aws.version>
         <google.library.version>26.30.0</google.library.version>