Bump com.puppycrawl.tools:checkstyle in the plugins group (#1737)

Author: dependabot[bot]

pom.xml

@@ -68,7 +68,7 @@
     <surefire.plugin.version>3.5.2</surefire.plugin.version>
 
     <!-- tooling -->
-    <checkstyle.tool.version>10.20.1</checkstyle.tool.version>
+    <checkstyle.tool.version>10.20.2</checkstyle.tool.version>
 
     <!-- testing -->
     <awaitility.version>4.2.2</awaitility.version>