chore(ci): clean and fix workflows

Author: mloiseleur

.github/workflows/embed-files.yaml

@@ -3,7 +3,7 @@ on:
   workflow_dispatch:
   pull_request:
     branches:
-      - master
+      - main
     paths:
       - '.github/workflows/test.yaml'
       - 'src/manifests/**.yaml'