Use generateName for tasks.

runs/dev-contain-debian.yaml

@@ -1,7 +1,7 @@
 apiVersion: tekton.dev/v1beta1
 kind: PipelineRun
 metadata:
-  name: dev-contain-debian
+  generateName: dev-contain-debian-
 spec:
   pipelineRef:
     name: dev-contain-pipeline

runs/dev-contain-rpm.yaml

@@ -1,7 +1,7 @@
 apiVersion: tekton.dev/v1beta1
 kind: PipelineRun
 metadata:
-  name: dev-contain-rpm
+  generateName: dev-contain-rpm-
 spec:
   pipelineRef:
     name: dev-contain-pipeline

runs/j7s-os-test.yaml

@@ -1,7 +1,7 @@
 apiVersion: tekton.dev/v1beta1
 kind: PipelineRun
 metadata:
-  name: j7s-os-test
+  generateName: j7s-os-test-
 spec:
   pipelineRef:
     name: j7s-os-pipeline

runs/k8s-action-test.yaml

@@ -1,8 +1,7 @@
-
 apiVersion: tekton.dev/v1beta1
 kind: TaskRun
 metadata:
-  name: k8s-action-test
+  generateName: k8s-action-test-
 spec:
   serviceAccountName: internal-kubectl
   taskRef: