Add concurrency to getFigmaImages workflow

.github/workflows/getFigmaImages.yml

@@ -5,6 +5,10 @@ on:
     # branches:
     #   - main
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   findNodeReferences:
     runs-on: ubuntu-latest
@@ -39,4 +43,3 @@ jobs:
           git add -A ${{env.ImageOutputDir}}
           git commit -m "Update Figma images" || true
           git push
-