spotless: Fix code style

Author: ct-sdks[bot]

commercetools/commercetools-graphql-api/src/main/java/com/commercetools/graphql/api/ByProjectKeyGraphqlQuery.java

@@ -8,6 +8,7 @@
 import java.util.concurrent.CompletableFuture;
 
 import com.commercetools.api.client.ErrorableTrait;
+
 import io.vrap.rmf.base.client.*;
 
 import org.apache.commons.lang3.builder.EqualsBuilder;