use docker

Author: skunkworker

.github/workflows/test.yaml

@@ -50,9 +50,9 @@ jobs:
       - name: Install System Dependencies
         run: |
           if [ "$(id -u)" = "0" ]; then
-            apt-get update && apt-get install -y build-essential git netcat-openbsd docker-ce-cli
+            apt-get update && apt-get install -y build-essential git netcat-openbsd docker
           else
-            sudo apt-get update && sudo apt-get install -y build-essential git netcat-openbsd docker-ce-cli
+            sudo apt-get update && sudo apt-get install -y build-essential git netcat-openbsd docker
           fi
 
       - name: Cache Ruby Gems