Bump postgresql from 42.2.20 to 42.3.7 in /testsuite

Bumps [postgresql](https://github.com/pgjdbc/pgjdbc) from 42.2.20 to 42.3.7.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.2.20...REL42.3.7)

---
updated-dependencies:
- dependency-name: org.postgresql:postgresql
  dependency-type: direct:development
...

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

Author: dependabot[bot]

testsuite/pom.xml

@@ -35,7 +35,7 @@
         <node0>127.0.0.1</node0>
         <org.jboss.eap.datasources.mssqlserver.driver.version>9.2.1.jre8</org.jboss.eap.datasources.mssqlserver.driver.version>
         <org.jboss.eap.datasources.oracle.driver.version>19.3.0.0</org.jboss.eap.datasources.oracle.driver.version>
-        <org.jboss.eap.datasources.postgresql.driver.version>42.2.20</org.jboss.eap.datasources.postgresql.driver.version>
+        <org.jboss.eap.datasources.postgresql.driver.version>42.3.7</org.jboss.eap.datasources.postgresql.driver.version>
         <testLogToFile>true</testLogToFile>
     </properties>