Cancel previous runs for a workflow if another is started in the same pr (#61)

.github/workflows/build-and-test.yml

@@ -22,6 +22,10 @@ on:
         default: false
         type: boolean
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 jobs:
   build-and-test:
     runs-on: ubuntu-24.04

.github/workflows/optimize-images.yml

@@ -3,6 +3,10 @@ name: Check for image compression
 on:
   workflow_call:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 jobs:
   compress:
     name: Compress and make a PR if needed

.github/workflows/release-tags.yml

@@ -21,6 +21,10 @@ on:
         default: "setupCIWorkspace"
         type: string
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 jobs:
   build:
     runs-on: ubuntu-24.04