fix CVE-2023-2976 for checkstyle (#58)

Signed-off-by: Chenyang Ji <cyji@amazon.com>
(cherry picked from commit ba2c19a)
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

build.gradle

@@ -84,6 +84,7 @@ publishing {
 }
 
 checkstyle {
+  toolVersion = '10.12.1'
   showViolations true
   configDirectory.set(rootProject.file("config/checkstyle/"))
 }