Bump postgresql from 42.5.4 to 42.6.0 in /cnf (OpenEMS#2115)

* Bump postgresql from 42.5.4 to 42.6.0 in /cnf

Bumps [postgresql](https://github.com/pgjdbc/pgjdbc) from 42.5.4 to 42.6.0.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.5.4...REL42.6.0)

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

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

* Update bndrun

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Stefan Feilmeier <[email protected]>

Author: dependabot[bot]

cnf/pom.xml

@@ -392,7 +392,7 @@
 			<!-- Used by io.openems.backend.metadata.odoo -->
 			<groupId>org.postgresql</groupId>
 			<artifactId>postgresql</artifactId>
-			<version>42.5.4</version>
+			<version>42.6.0</version>
 		</dependency>
 		<dependency>
 			<!-- Used by com.influxdb: influxdb -->

io.openems.backend.application/BackendApp.bndrun

@@ -118,5 +118,5 @@
 	org.osgi.service.jdbc;version='[1.1.0,1.1.1)',\
 	org.osgi.util.function;version='[1.2.0,1.2.1)',\
 	org.osgi.util.promise;version='[1.3.0,1.3.1)',\
-	org.postgresql.jdbc;version='[42.5.4,42.5.5)',\
+	org.postgresql.jdbc;version='[42.6.0,42.6.1)',\
 	reactive-streams;version='[1.0.4,1.0.5)'