ci(ci): add concurrency config (#126)

Author: Fdawgs

.github/workflows/ci.yml

@@ -15,6 +15,11 @@ on:
       - "docs/**"
       - "*.md"
 
+# This allows a subsequently queued workflow run to interrupt previous runs
+concurrency:
+    group: "${{ github.workflow }}-${{ github.event.pull_request.head.label || github.head_ref || github.ref }}"
+    cancel-in-progress: true
+
 permissions:
   contents: read