[FLINK-38148][FlinkService] Fix checkstyle

Author: fijolekProjects

flink-kubernetes-operator/src/main/java/org/apache/flink/runtime/rest/messages/JobExceptionsInfoWithHistory.java

@@ -37,7 +37,7 @@
 
 /**
  * Copied from Flink 2.0 to handle removed changes, with small modifications like: FLINK-38148 that
- * allows nullable `failureLabels` to support Flink v1.17
+ * allows nullable `failureLabels` to support Flink v1.17.
  */
 public class JobExceptionsInfoWithHistory implements ResponseBody {