Bump dependencies

Bump [com.puppycrawl.tools:checkstyle](https://github.com/checkstyle/checkstyle) from 10.4 to 10.12.2.
Bump org.junit:junit-bom from 5.10.0 to 5.10.1
Bump rhino from 1.7.13 to 1.7.14

build.gradle

@@ -30,7 +30,7 @@ allprojects {
         nanojsonVersion = "1d9e1aea9049fc9f85e68b43ba39fe7be1c1f751"
         spotbugsVersion = "4.8.3"
         junitVersion = "5.10.2"
-        checkstyleVersion = "10.4"
+        checkstyleVersion = "10.12.2"
     }
 }