use docker dompose instead of docker-compose in workflow files

.github/workflows/test-backend.yml

@@ -111,17 +111,17 @@ jobs:
           cp frontend/.env.dist frontend/.env
           cp backend/.env.template backend/.env
 
-      - name: backend | docker-compose
-        run: docker-compose -f docker-compose.yml -f docker-compose.test.yml up --detach --no-deps neo4j backend
+      - name: backend | docker compose
+        run: docker compose -f docker-compose.yml -f docker-compose.test.yml up --detach --no-deps neo4j backend
 
       - name: backend | Initialize Database
-        run: docker-compose exec -T backend yarn db:migrate init
+        run: docker compose exec -T backend yarn db:migrate init
 
       - name: backend | Migrate Database Up
-        run: docker-compose exec -T backend yarn db:migrate up
+        run: docker compose exec -T backend yarn db:migrate up
 
       - name: backend | Unit test incl. coverage check
-        run: docker-compose exec -T backend yarn test
+        run: docker compose exec -T backend yarn test
 
   cleanup:
     name: Cleanup

.github/workflows/test-e2e.yml

@@ -70,14 +70,14 @@ jobs:
           key: ${{ github.run_id }}-e2e-preparation-cache
           fail-on-cache-miss: true
 
-      - name: Boot up test system | docker-compose
+      - name: Boot up test system | docker compose
         run: |
           chmod +x /opt/cucumber-json-formatter
           sudo ln -fs /opt/cucumber-json-formatter /usr/bin/cucumber-json-formatter
           docker load < /tmp/images/neo4j.tar
           docker load < /tmp/images/backend.tar
           docker load < /tmp/images/webapp.tar
-          docker-compose -f docker-compose.yml -f docker-compose.test.yml up --detach --no-deps webapp neo4j backend
+          docker compose -f docker-compose.yml -f docker-compose.test.yml up --detach --no-deps webapp neo4j backend
           sleep 90s
 
       - name: Full stack tests | run tests