chore(deps): update dependency com.puppycrawl.tools:checkstyle to v10.21.4

Author: renovate[bot]

pom.xml

@@ -188,7 +188,7 @@
                             <dependency>
                                 <groupId>com.puppycrawl.tools</groupId>
                                 <artifactId>checkstyle</artifactId>
-                                <version>10.21.1</version>
+                                <version>10.21.4</version>
                             </dependency>
                             <dependency>
                                 <groupId>io.spring.javaformat</groupId>