Reformat docker compose up command to be more readable

Author: Janne Rönkkö

github-actions/setup-e2e-environment/action.yml

@@ -147,7 +147,11 @@ runs:
         TIMETABLESAPI_DOCKER_IMAGE: ${{ inputs.timetablesapi_version }}
         TIAMAT_DOCKER_IMAGE: ${{ inputs.tiamat_version }}
       run: |
-        docker compose -f ${{ github.workspace }}/docker/docker-compose.yml ${{ inputs.custom_docker_compose != '' && format('-f {0}', inputs.custom_docker_compose) || '' }} ${{ inputs.start_jore3_importer == 'true' && '--profile importer' || '' }} up -d
+        docker compose \
+          -f ${{ github.workspace }}/docker/docker-compose.yml \
+          ${{ inputs.custom_docker_compose != '' && format('-f {0}', inputs.custom_docker_compose) || '' }} \
+          ${{ inputs.start_jore3_importer == 'true' && '--profile importer' || '' }} \
+          up -d
       shell: bash
 
     - name: Show which versions of the docker images are spun up