🤖 Add concurrency to CI (#33)

.github/workflows/e2e-tests.yml

@@ -9,6 +9,10 @@ on:
     paths-ignore:
       - 'README.md'
 
+concurrency:
+  group: ci-e2e-${{ github.head_ref || github.ref }}-${{ github.repository }}
+  cancel-in-progress: true
+
 jobs:
   build-iso:
     runs-on: ubuntu-latest

.github/workflows/image.yml

@@ -8,6 +8,11 @@ on:
     tags:
       - '*'
 
+
+concurrency:
+  group: ci-image-${{ github.head_ref || github.ref }}-${{ github.repository }}
+  cancel-in-progress: true
+
 jobs:
   docker:
     runs-on: ubuntu-latest

.github/workflows/lint.yml

@@ -6,6 +6,12 @@ on:
   pull_request:
     paths:
       - '**'
+
+
+concurrency:
+  group: ci-lint-${{ github.head_ref || github.ref }}-${{ github.repository }}
+  cancel-in-progress: true
+
 env:
   FORCE_COLOR: 1
 jobs:

.github/workflows/unit-tests.yml

@@ -6,6 +6,11 @@ on:
       - master
   pull_request:
 
+
+concurrency:
+  group: ci-unit-${{ github.head_ref || github.ref }}-${{ github.repository }}
+  cancel-in-progress: true
+
 jobs:
   unit-tests:
     runs-on: ubuntu-latest