fix manual tag

Author: cx-pedro-lopes

.github/workflows/manual-tag.yml

@@ -11,6 +11,9 @@ jobs:
         uses: actions/checkout@v2.3.4
         with:
           token: ${{ secrets.PERSONAL_ACCESS_TOKEN }}
+      - run: |
+          git config user.name github-actions
+          git config user.email github-actions@github.com
       - name: Update version
         run: |
           npm version patch