set git config singing key

Author: zefir-git

.github/workflows/ci.yaml

@@ -41,6 +41,7 @@ jobs:
         if: steps.uncommitted_indices.outputs.has_changes == 'true'
         run: |
           echo "${{ secrets.BOT_PGP_KEY }}" | gpg --import --batch
+          git config --global user.signingkey "[email protected]"
           git config --global user.name "Cloudnode [bot]"
           git config --global user.email "[email protected]"
           git add "**/index.ts"