Update dependency com.puppycrawl.tools:checkstyle to v8.21 (#5273)

renovate-bot · chingor13 · commit 774e6f836f7e · 2019-06-04T08:35:52.000-07:00
diff --git a/google-cloud-clients/pom.xml b/google-cloud-clients/pom.xml
@@ -955,7 +955,7 @@
               <dependency>
                 <groupId>com.puppycrawl.tools</groupId>
                 <artifactId>checkstyle</artifactId>
-                <version>8.19</version>
+                <version>8.21</version>
               </dependency>
             </dependencies>
             <executions>
