cancel duplicate runs

Author: blink1073

.github/workflows/check-release.yml

@@ -5,6 +5,10 @@ on:
   pull_request:
     branches: ["*"]
 
+concurrency:
+  group: check-release-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   check_release:
     runs-on: ubuntu-latest

.github/workflows/ci.yml

@@ -6,6 +6,10 @@ on:
   pull_request:
     branches: "*"
 
+concurrency:
+  group: ci-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   build:
     runs-on: ${{ matrix.os }}-latest

.github/workflows/downstream.yml

@@ -6,6 +6,10 @@ on:
   pull_request:
     branches: "*"
 
+concurrency:
+  group: downstream-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   downstream1:
     runs-on: ubuntu-latest

.github/workflows/enforce-label.yml

@@ -1,5 +1,9 @@
 name: Enforce PR label
 
+concurrency:
+  group: label-${{ github.ref }}
+  cancel-in-progress: true
+
 on:
   pull_request:
     types: [labeled, unlabeled, opened, edited, synchronize]