Update action.yml

action.yml

@@ -4,12 +4,8 @@ author: 'GitHub'
 inputs: 
   repository:
     description: 'Repository name'
-    required: true
-    default: ${{ github.repository }}
   ref:
-    description: 'Ref to checkout (SHA, branch, tag)'
-    required: true
-    default: ${{ github.sha }}
+    description: 'Ref to checkout (SHA, branch, tag).'
   token:
     description: 'Access token for clone repository'
     default: ${{ github.token }}
@@ -20,7 +16,7 @@ inputs:
     description: 'Directory containing files to upload'
   lfs:
     description: 'Whether to download Git-LFS files; defaults to false'
-  fetchDepth:
+  fetch-depth:
     description: 'The depth of commits to ask Git to fetch; defaults to no limit'  
   path:
     description: 'Optional path to check out source code'