Use docker compose

Author: SamTV12345

.github/workflows/1maxPadPerInstance.yml

@@ -39,7 +39,7 @@ jobs:
       run: pnpm i
 
     - name: Setup etherpads
-      run: docker-compose up -d
+      run: docker compose up -d
 
     - name: support 1 pad per instances
       run: sed 's/5/1/g' settings.json.template > settings.json