add gitea lib key

.github/workflows/build.yaml

@@ -41,7 +41,9 @@ jobs:
       - name: Use ssh key
         uses: webfactory/ssh-agent@v0.9.0
         with:
-              ssh-private-key: ${{ secrets.LIB_SSH_KEY }}
+              ssh-private-key: | 
+                ${{ secrets.LIB_SSH_KEY }}
+                ${{ secrets.LIB_NEW_SSH_KEY }}
       - name: Build Docker image
         run: |
           if [ "$NO_CACHE" == "true" ]; then