try fixing CI

Author: colinlyguo

.github/workflows/common.yml

@@ -42,6 +42,10 @@ jobs:
       uses: Swatinem/rust-cache@v2
       with:
         workspaces: "common/libzkp/impl -> target"
+    - name: Setup SSH for private repos
+      uses: webfactory/[email protected]
+      with:
+        ssh-private-key: ${{ secrets.OPENVM_GPU_SSH_PRIVATE_KEY }}
     - name: Lint
       working-directory: 'common'
       run: |