action update - common job - remove run from called workflow

.github/workflows/main.yml

@@ -18,6 +18,8 @@ on:
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
   # This workflow contains a single job called "build"
+  checkout:
+
   build:
     # The type of runner that the job will run on
     runs-on: ubuntu-latest