Update gitlab-mirror.yml

Import GPG key

Author: alphabetanetcom

.github/workflows/gitlab-mirror.yml

@@ -16,6 +16,14 @@ jobs:
       - uses: actions/checkout@v2
         with:
           fetch-depth: 0
+          
+      - name: Import GPG key
+        uses: crazy-max/ghaction-import-gpg@v5
+        with:
+          gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
+          git_user_signingkey: true
+          git_commit_gpgsign: true
+          
       - uses: pixta-dev/repository-mirroring-action@v1
         with:
           target_repo_url: