Fix the Git user setup in the translation workflow

Author: webknjaz

.github/workflows/translation.yml

@@ -16,6 +16,11 @@ jobs:
      steps:
        - name: Grab the repo src
          uses: actions/checkout@v2
+       - name: Setup git user as [bot]
+         # Refs:
+         # * https://github.community/t/github-actions-bot-email-address/17204/6
+         # * https://github.com/actions/checkout/issues/13#issuecomment-724415212
+         uses: fregante/setup-git-user@v1.0.1
 
        - name: Set up Python
          uses: actions/setup-python@v2
@@ -31,8 +36,6 @@ jobs:
 
        - name: Commit the POT file to Git
          run: |
-           git config --local user.email "github-actions[bot]@users.noreply.github.com"
-           git config --local user.name "github-actions[bot]"
            git_hash=$(git rev-parse --short "${GITHUB_SHA}")
            git commit -m "Update messages.pot as of version ${git_hash}" locales/messages.pot