revert(cask): update emacs-app-pretest to version 30.0.92-pretest

This reverts commit a03c0d2.

Intel builds are broken at this time in jimeh/emacs-builds, hence this
has ended up with assets for ARM only. Because of this, we are reverting
this to 30.0.91-pretest so that the cask works again.

Casks/emacs-app-pretest.rb

@@ -5,11 +5,19 @@
   desc 'GNU Emacs text editor (latest pretest)'
   homepage 'https://github.com/jimeh/emacs-builds'
 
-  version '30.0.92-pretest'
+  version '30.0.91-pretest'
 
-  sha256 '84e0d518bdc41854927cb0314a39c138d80a97f088da78820ffad8b906f8189f'
-  url 'https://github.com/jimeh/emacs-builds/releases/download/Emacs-30.0.92-pretest/Emacs.2024-10-26.ed1d691.emacs-30-0-92-pretest.macOS-13.arm64.dmg'
-  depends_on macos: '>= :ventura', arch: :arm64
+  on_arm do
+    sha256 'b8a6489edd1417a41b92978e060777f5b697e0ab1366e32a84f7a4f23113f3cd'
+    url 'https://github.com/jimeh/emacs-builds/releases/download/Emacs-30.0.91-pretest/Emacs.2024-09-11.9a1c76b.emacs-30-0-91-pretest.macOS-13.arm64.dmg'
+    depends_on macos: '>= :ventura'
+  end
+
+  on_intel do
+    sha256 'bc64c27c8263371a121a15e054ae0d2fc1e5a54a142371e39828449a5d37b1c3'
+    url 'https://github.com/jimeh/emacs-builds/releases/download/Emacs-30.0.91-pretest/Emacs.2024-09-11.9a1c76b.emacs-30-0-91-pretest.macOS-12.x86_64.dmg'
+    depends_on macos: '>= :monterey'
+  end
 
   livecheck do
     url 'https://github.com/jimeh/emacs-builds.git'