use docker compose instead of docker-compose

.github/workflows/ruby-unit-tests.yml

@@ -17,14 +17,14 @@ jobs:
       run: ./test/solr/generate_ncbo_configsets.sh
     - name: create config.rb file
       run: cp config/config.test.rb config/config.rb
-    - name: Build docker-compose
-      run: docker-compose --profile 4store build #profile flag is set in order to build all containers in this step
+    - name: Build docker compose
+      run: docker compose --profile 4store build #profile flag is set in order to build all containers in this step
     - name: Run unit tests
       # unit tests are run inside a container
       # http://docs.codecov.io/docs/testing-with-docker
       run: |
         ci_env=`bash <(curl -s https://codecov.io/env)`
-        docker-compose run $ci_env -e CI --rm ${{ matrix.backend }} bundle exec rake test TESTOPTS='-v'
+        docker compose run $ci_env -e CI --rm ${{ matrix.backend }} bundle exec rake test TESTOPTS='-v'
     - name: Upload coverage reports to Codecov
       uses: codecov/codecov-action@v4
       with: