chore(ci): cancel in progress GHA runs

Author: hughns

.github/workflows/ci.yml

@@ -9,6 +9,9 @@ jobs:
   lint:
     name: 'Lint'
     runs-on: ubuntu-latest
+    concurrency: 
+      group: ${{ github.event_name }}-${{ github.head_ref || github.ref_name }}
+      cancel-in-progress: true
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -39,6 +42,9 @@ jobs:
     name: 'Build + Release'
     needs: [lint]
     runs-on: ubuntu-latest
+    concurrency: 
+      group: ${{ github.event_name }}-${{ github.head_ref || github.ref_name }}
+      cancel-in-progress: true
     steps:
       - name: Checkout
         uses: actions/checkout@v4