Bump org.postgresql:postgresql in /guice/hibernate-testing

Bumps [org.postgresql:postgresql](https://github.com/pgjdbc/pgjdbc) from 42.7.3 to 42.7.11.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.7.3...REL42.7.11)

---
updated-dependencies:
- dependency-name: org.postgresql:postgresql
  dependency-version: 42.7.11
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

guice/hibernate-testing/pom.xml

@@ -57,7 +57,7 @@
 		<dependency>
 			<groupId>org.postgresql</groupId>
 			<artifactId>postgresql</artifactId>
-			<version>42.7.3</version>
+			<version>42.7.11</version>
 		</dependency>
 
 		<dependency>