Cancel workflows if PR is updated with a new commit (#931)

* Cancel workflows if PR is updated with a new commit

Signed-off-by: Dave Thaler <dthaler@microsoft.com>

* Fix typos

Signed-off-by: Dave Thaler <dthaler@microsoft.com>

Co-authored-by: Alan Jowett <alanjo@microsoft.com>

.github/workflows/cicd.yml

@@ -13,6 +13,12 @@ on:
     - cron: '00 21 * * *'
   pull_request:
 
+concurrency:
+  # Cancel any CI/CD workflow currently in progress for the same PR.
+  # Allow running concurrently with any other commits.
+  group: cicd-${{ github.event.pull_request.number || github.sha }}
+  cancel-in-progress: true
+
 permissions:
   contents: read
   checks: read  # Required by reusable-test.yml to check build status.

.github/workflows/scorecards-analysis.yml

@@ -1,3 +1,6 @@
+# Copyright (c) Microsoft Corporation
+# SPDX-License-Identifier: MIT
+
 name: Scorecards
 
 on:
@@ -6,6 +9,12 @@ on:
   pull_request:
     branches: [ main ]
 
+concurrency:
+  # Cancel any Scorecards workflow currently in progress for the same PR.
+  # Allow running concurrently with any other commits.
+  group: scorecards-${{ github.event.pull_request.number || github.sha }}
+  cancel-in-progress: true
+
 # Declare default permissions as read only.
 permissions: read-all