Fix gVisor in GHA (#91)

Author: jakebailey

.github/workflows/ci.yml

@@ -125,6 +125,9 @@ jobs:
           echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/gvisor-archive-keyring.gpg] https://storage.googleapis.com/gvisor/releases release main" | sudo tee /etc/apt/sources.list.d/gvisor.list > /dev/null
 
           sudo apt-get update && sudo apt-get install -y runsc
+          sudo runsc install
+          sudo systemctl restart docker
+          docker info
         name: Install gVisor
 
       - run: bash cases/scenarios/${{ matrix.scenario }}/setup.sh