Fix localization action (microsoft#2677)

.github/workflows/main.yml

@@ -11,7 +11,6 @@ on:
       - '**.md'
       - '**.rst'
       - '/docs/en_US/**'
-      - '.github/worklflows/**'
       - '/crowdin.yml'
   schedule:
     - cron:  '*/30 * * * *'
@@ -29,6 +28,12 @@ jobs:
     # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
     - uses: actions/checkout@v2
 
+    # get branch name
+    - name: Get the current branch name
+      shell: bash
+      run: echo "::set-output name=branch::${GITHUB_REF#refs/heads/}"
+      id: branchname
+
     # crowin-translation
     - name: crowdin-action
       uses: crowdin/[email protected]
@@ -54,11 +59,11 @@ jobs:
         # Download translations with pushing to branch
         push_translations: true # optional, default is true
         # To download translations to the specified version branch
-        localization_branch_name: l10n_${{ github.base_ref }} # optional, default is l10n_crowdin_action
+        localization_branch_name: l10n_${{ steps.branchname.outputs.branch }} # optional, default is l10n_crowdin_action
         # Create pull request after pushing to branch
         create_pull_request: false # optional, default is true
         # Option to upload or download files to the specified version branch in your Crowdin project
-        crowdin_branch_name: ${{ github.base_ref }} # optional
+        crowdin_branch_name: ${{ steps.branchname.outputs.branch }} # optional
         # Option to specify a path to user-specific credentials
         # identity: # optional
         # Option to specify a path to the configuration file