Bump fleet-desktop to v1.2.0 (#44670)

Update fleet-desktop from 1.1.0 to 1.2.0 across Homebrew cask, API
metadata, and darwin output. Adjust package URLs and filenames, update
SHA256 checksums and ruby_source_checksum, and refresh installer script
reference and patched/version queries to match the new release.

ee/maintained-apps/inputs/homebrew/custom-tap/Casks/fleet-desktop.rb

@@ -1,6 +1,6 @@
 cask "fleet-desktop" do
-  version "1.1.0"
-  sha256 "4f3537c37a094f333046072262b1f37729f73074bf935f09f05799bc341fef58"
+  version "1.2.0"
+  sha256 "4e7352b5faac94f8176a8291d170663f220fd4268ee33dd67b2723f7fe721a09"
 
   url "https://github.com/allenhouchins/fleet-desktop/releases/download/v#{version}/fleet_desktop-v#{version}.pkg"
   name "Fleet Desktop"

ee/maintained-apps/inputs/homebrew/custom-tap/api/fleet-desktop.json

@@ -6,15 +6,15 @@
   ],
   "desc": "End-user client for Fleet device management",
   "homepage": "https://github.com/allenhouchins/fleet-desktop",
-  "url": "https://github.com/allenhouchins/fleet-desktop/releases/download/v1.1.0/fleet_desktop-v1.1.0.pkg",
+  "url": "https://github.com/allenhouchins/fleet-desktop/releases/download/v1.2.0/fleet_desktop-v1.2.0.pkg",
   "url_specs": {},
-  "version": "1.1.0",
+  "version": "1.2.0",
   "autobump": true,
   "no_autobump_message": null,
   "skip_livecheck": false,
   "bundle_version": null,
   "bundle_short_version": null,
-  "sha256": "4f3537c37a094f333046072262b1f37729f73074bf935f09f05799bc341fef58",
+  "sha256": "4e7352b5faac94f8176a8291d170663f220fd4268ee33dd67b2723f7fe721a09",
   "artifacts": [
     {
       "uninstall": [
@@ -26,7 +26,7 @@
     },
     {
       "pkg": [
-        "fleet_desktop-v1.1.0.pkg"
+        "fleet_desktop-v1.2.0.pkg"
       ]
     },
     {
@@ -72,6 +72,6 @@
   "languages": [],
   "ruby_source_path": "Casks/fleet-desktop.rb",
   "ruby_source_checksum": {
-    "sha256": "a348b5c812ce3ee1c1ee361c273ce39725feffb557d48bbda2f42648c1b2e6c5"
+    "sha256": "54320e7f3daaf9ad437b1abdc8978730453c227b2436b4f961ec011e61b39f16"
   }
 }