Setting up concurrency

Author: gvegayon

.github/workflows/website.yaml

@@ -2,6 +2,11 @@ name: Website
 
 on:
   push:
+    branches: [ main, master]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 
 jobs:
   build: