Use concurrency github actions feature.

.github/workflows/angular.yml

@@ -18,6 +18,9 @@
 #
 
 name: Angular
+concurrency:
+  group: angular-${{ github.head_ref || github.sha }}
+  cancel-in-progress: true
 on:
   push:
     branches-ignore:

.github/workflows/generator.yml

@@ -18,6 +18,9 @@
 #
 
 name: Generator
+concurrency:
+  group: generator-${{ github.head_ref || github.sha }}
+  cancel-in-progress: true
 on:
   push:
     branches-ignore:

.github/workflows/gradle-wrapper-validation.yml

@@ -18,6 +18,9 @@
 #
 
 name: 'Validate Gradle Wrapper'
+concurrency:
+  group: gradle-${{ github.head_ref || github.sha }}
+  cancel-in-progress: true
 on:
   push:
     branches-ignore:

.github/workflows/incremental-changelog.yml

@@ -18,6 +18,9 @@
 #
 
 name: Incremental Changelog
+concurrency:
+  group: incremental-${{ github.head_ref || github.sha }}
+  cancel-in-progress: true
 on:
   push:
     branches-ignore:

.github/workflows/jdl.yml

@@ -18,6 +18,9 @@
 #
 
 name: JDL tests
+concurrency:
+  group: jdl-${{ github.head_ref || github.sha }}
+  cancel-in-progress: true
 on:
   push:
     branches-ignore:

.github/workflows/label-cleanup.yml

@@ -19,7 +19,7 @@
 
 name: Cleanup Labels
 on:
-  issues: { types: closed }
+  issues: { types: [closed] }
 jobs:
   remove-labels:
     runs-on: ubuntu-latest

.github/workflows/react.yml

@@ -18,6 +18,9 @@
 #
 
 name: React
+concurrency:
+  group: react-${{ github.head_ref || github.sha }}
+  cancel-in-progress: true
 on:
   push:
     branches-ignore:

.github/workflows/triage.yml

@@ -19,7 +19,7 @@
 
 name: Triage issues
 on:
-  issues: { types: opened }
+  issues: { types: [opened] }
 jobs:
   apply-label:
     runs-on: ubuntu-latest

.github/workflows/vue.yml

@@ -18,6 +18,9 @@
 #
 
 name: Vue
+concurrency:
+  group: vue-${{ github.head_ref || github.sha }}
+  cancel-in-progress: true
 on:
   push:
     branches-ignore:

.github/workflows/webflux.yml

@@ -18,6 +18,9 @@
 #
 
 name: Webflux
+concurrency:
+  group: webflux-${{ github.head_ref || github.sha }}
+  cancel-in-progress: true
 on:
   push:
     branches-ignore: