deps(major): update homebrew formula webhippie/mygithub to v7

Author: renovate[bot]

Formula/mygithub.rb

@@ -6,8 +6,8 @@ class Mygithub < Formula
   homepage "https://webhippie.github.io/mygithub"
   license "Apache-2.0"
 
-  url "https://github.com/webhippie/mygithub/archive/refs/tags/v6.0.0.tar.gz"
-  sha256 "c2483fa15c450adbe44a69a8d05328fa81ac89d31fb500fd843e1ef6d9e82bc4"
+  url "https://github.com/webhippie/mygithub/archive/refs/tags/v7.0.0.tar.gz"
+  sha256 "54e4ade46a507e96c2e53ce35a4e0fe26412792b36e675cda234ac2f1f63e2ac"
   head "https://github.com/webhippie/mygithub.git", branch: "master"
 
   test do