Update parent pom (#1011)

Author: timja

pom.xml

@@ -29,7 +29,7 @@
   <parent>
     <groupId>org.jenkins-ci.plugins</groupId>
     <artifactId>plugin</artifactId>
-    <version>5.2102.v5f5fe09fccf1</version>
+    <version>6.2122.v70b_7b_f659d72</version>
     <relativePath />
   </parent>