Update package.yml

Author: tcompa

.github/workflows/package.yml

@@ -2,9 +2,9 @@ name: Precommit and Mypy (soft)
 
 on:
   push:
-    branches: ["main","dev-1.5"]
+    branches: ["main"]
   pull_request:
-    branches: ["main","dev-1.5"]
+    branches: ["main"]
 
 jobs: