Add script to delete pipeline runs from tekton.

ansible/roles/kubernetes/tasks/common.yaml

@@ -37,6 +37,8 @@
       dest: /usr/local/bin/kx
     - src: decrypt_k8s_secret
       dest: /usr/local/bin/decrypt_k8s_secret
+    - src: k8s_delete_pipeline_runs
+      dest: /usr/local/bin/
 
 - import_tasks: tasks/freebsd.yaml
   when: 'os_flavor == "freebsd"'