kubeseal: update livecheck

Author: BrewTestBot

Formula/k/kubeseal.rb

@@ -9,7 +9,7 @@ class Kubeseal < Formula
 
   livecheck do
     url :stable
-    regex(/^v?(\d+(?:\.\d+)+)$/i)
+    strategy :github_latest
   end
 
   bottle do