Apply suggestions from code review

Co-authored-by: Alex Ford <[email protected]>

Author: Alvaro Muñoz

ruby/ql/lib/codeql/ruby/frameworks/core/Kernel.qll

@@ -43,7 +43,9 @@ module Kernel {
    * ```
    */
   private predicate isPublicKernelMethod(string method) {
-    method in ["class", "clone", "frozen?", "tap", "then", "yield_self", "send", "public_send", "__send__"]
+    method in [
+        "class", "clone", "frozen?", "tap", "then", "yield_self", "send", "public_send", "__send__"
+      ]
   }
 
   /**