Bump postgresql from 42.4.0 to 42.4.1 in /modules/cockroachdb

Bumps [postgresql](https://github.com/pgjdbc/pgjdbc) from 42.4.0 to 42.4.1.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.4.0...REL42.4.1)

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

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

Author: dependabot[bot]

modules/cockroachdb/build.gradle

@@ -4,6 +4,6 @@ dependencies {
     api project(':jdbc')
 
     testImplementation project(':jdbc-test')
-    testImplementation 'org.postgresql:postgresql:42.4.0'
+    testImplementation 'org.postgresql:postgresql:42.4.1'
     testImplementation 'org.assertj:assertj-core:3.23.1'
 }