[enhancement] reduce Github Actions runner loading by setting concurr…

…encies (#2931)

* Update docker-validation-ci.yml

* Update docker-validation-nightly.yml

* Update label-enforcement.yml

* Update pr-checklist.yml

* Update renovate-validation.yml

.github/workflows/docker-validation-ci.yml

@@ -11,6 +11,10 @@ on:
 permissions:
   contents: read
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.ref_name }}-${{ github.event.number || github.sha }}
+  cancel-in-progress: true
+
 jobs:
   validate:
     name: Docker validation

.github/workflows/docker-validation-nightly.yml

@@ -23,6 +23,10 @@ on:
 permissions:
   contents: read
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.ref_name }}-${{ github.event.number || github.sha }}
+  cancel-in-progress: true
+
 jobs:
   validate:
     name: Docker validation

.github/workflows/label-enforcement.yml

@@ -6,6 +6,10 @@ on:
 permissions:
   contents: read
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.ref_name }}-${{ github.event.number || github.sha }}
+  cancel-in-progress: true
+
 jobs:
   label_checker:
     name: Please include labels on your pull request

.github/workflows/pr-checklist.yml

@@ -20,6 +20,10 @@ on:
   pull_request:
     types: [opened, edited, synchronize]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.ref_name }}-${{ github.event.number || github.sha }}
+  cancel-in-progress: true
+
 jobs:
   checklist:
     name: Close all checkboxes before moving from draft

.github/workflows/renovate-validation.yml

@@ -17,6 +17,10 @@ on:
 permissions:
   contents: read
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.ref_name }}-${{ github.event.number || github.sha }}
+  cancel-in-progress: true
+
 jobs:
   validate:
     name: Renovate validation