Bump kubernetes-client from 4.12.0 to 4.13.0

Bumps [kubernetes-client](https://github.com/fabric8io/kubernetes-client) from 4.12.0 to 4.13.0.
- [Release notes](https://github.com/fabric8io/kubernetes-client/releases)
- [Changelog](https://github.com/fabric8io/kubernetes-client/blob/master/CHANGELOG.md)
- [Commits](fabric8io/kubernetes-client@v4.12.0...v4.13.0)

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

pom.xml

@@ -75,7 +75,7 @@
 
     <brave.version>5.12.5</brave.version>
     <dropwizard.version>2.0.13</dropwizard.version>
-    <fabric8.kubernetes-client.version>4.12.0</fabric8.kubernetes-client.version>
+    <fabric8.kubernetes-client.version>4.13.0</fabric8.kubernetes-client.version>
     <okhttp-client.version>3.14.9</okhttp-client.version>
     <okhttp-metrics.version>0.4.0</okhttp-metrics.version>
   </properties>