Merge pull request #2228 from kubernetes-client/dependabot/maven/org.sonatype.plugins-nexus-staging-maven-plugin-1.6.13

Bump nexus-staging-maven-plugin from 1.6.12 to 1.6.13

Author: k8s-ci-robot

pom.xml

@@ -360,7 +360,7 @@
         <plugin>
           <groupId>org.sonatype.plugins</groupId>
           <artifactId>nexus-staging-maven-plugin</artifactId>
-          <version>1.6.12</version>
+          <version>1.6.13</version>
         </plugin>
         <plugin>
           <groupId>org.codehaus.mojo</groupId>