build: use compose v2

Author: berezovskyi

.github/workflows/maven-core-cm.yml

@@ -46,10 +46,10 @@ jobs:
           cp -f testsuite/org.eclipse.lyo.testsuite.server/config/refimpl2020/cm/web.xml refimpl/src/server-cm/src/main/webapp/WEB-INF/web.xml
           mvn -B -f refimpl/src/lib-common/pom.xml clean install
           mvn -B -f refimpl/src/pom.xml clean package
-          docker-compose -f refimpl/src/docker-compose.yml build
+          docker compose -f refimpl/src/docker-compose.yml build
       - name: Run Lyo Test Suite
         run: |
-          docker-compose -f refimpl/src/docker-compose.yml up --detach
+          docker compose -f refimpl/src/docker-compose.yml up --detach
           >&2 echo "Sleeping for 20 seconds"
           sleep 20
           >&2 echo "Done sleeping"