chore: add concurrency for workflows

To cancel the workflow running when new
commits are pushed to pull request branch

Signed-off-by: Jayapriya Pai <slashpai9@gmail.com>

.github/workflows/checks.yaml

@@ -8,6 +8,10 @@ on:
       - 'main'
     tags:
       - 'v*'
+# To cancel running workflow when new commits pushed in a pull request
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
 jobs:
   generate:
     runs-on: ${{ matrix.os }}

.github/workflows/e2e-feature-gated.yaml

@@ -12,6 +12,10 @@ on:
       - 'v*'
     paths-ignore:
       - '**/*.md'
+# To cancel running workflow when new commits pushed in a pull request
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
 jobs:
   e2e-tests:
     name: E2E tests for feature gates

.github/workflows/e2e.yaml

@@ -12,6 +12,10 @@ on:
       - 'v*'
     paths-ignore:
       - '**/*.md'
+# To cancel running workflow when new commits pushed in a pull request
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
 jobs:
   e2e-tests:
     name: E2E tests

.github/workflows/unit.yaml

@@ -12,6 +12,10 @@ on:
       - 'v*'
     paths-ignore:
       - '**/*.md'
+# To cancel running workflow when new commits pushed in a pull request
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
 jobs:
   unit-tests:
     runs-on: ubuntu-latest