Fix linux-cross CI

Author: Congyuwang

.github/workflows/CI.yml

@@ -137,20 +137,20 @@ jobs:
           manylinux: 2_28
           args: --release --out dist --interpreter '3.7 3.8 3.9 3.10 3.11'
           container: congyuwang/manylinux_2_28-cross:${{ matrix.target }}
-      - uses: uraimo/run-on-arch-action@v2.0.5
+      - uses: uraimo/run-on-arch-action@v2
         if: matrix.target != 'ppc64'
         name: Install built wheel and test
         with:
           arch: ${{ matrix.target }}
-          distro: ubuntu20.04
+          distro: ubuntu22.04
           githubToken: ${{ github.token }}
           install: |
             apt-get update
             apt-get install -y --no-install-recommends python3 python3-pip
             pip3 install -U pip
           run: |
-            pip install rocksdict --no-index --find-links dist --force-reinstall
-            python -m unittest discover -v test
+            pip3 install rocksdict --no-index --find-links dist --force-reinstall
+            python3 -m unittest discover -v test
       - name: Upload wheels
         uses: actions/upload-artifact@v2
         with: