build: Bump Checkstyle from 10.17.0 to 10.23.1

Author: valfirst

build.gradle

@@ -91,7 +91,7 @@ jacocoTestReport.dependsOn test
 apply plugin: 'checkstyle'
 
 checkstyle {
-    toolVersion = '10.17.0'
+    toolVersion = '10.23.1'
     configFile = configDirectory.file('appium-style.xml').get().getAsFile()
     showViolations = true
     ignoreFailures = false