Do not build dev branches

Author: mathieucarbou

.github/workflows/build.yml

@@ -6,7 +6,7 @@ on:
   workflow_dispatch:
   push:
     tags: ["v*"]
-    branches: ["*"]
+    branches: ["main"]
     paths-ignore: ["docs/**", "**/*.md"]
   pull_request:
     paths-ignore: ["docs/**", "**/*.md"]