Add macOS 27 as default test runner

.github/workflows/desktop-e2e.yml

@@ -19,11 +19,11 @@ on:
           ubuntu2204 ubuntu2404 ubuntu2504 ubuntu2604 ubuntu2610 \
           fedora41 fedora42 fedora43 fedora44 fedora45 \
           windows10 windows11 \
-          macos12 macos13 macos14 macos15 macos26`.\n
+          macos12 macos13 macos14 macos15 macos26 macos27`.\n
           Default images:\n
           `ubuntu2204 ubuntu2404 ubuntu2504 ubuntu2610 \
           debian13 fedora42 fedora43 windows10 windows11 \
-          macos15 macos26`."
+          macos15 macos26 macos27`."
         default: ''
         required: false
         type: string
@@ -89,8 +89,8 @@ jobs:
       - name: Generate matrix for macOS builds
         shell: bash
         run: |
-          all='["macos12","macos13","macos14","macos15","macos26"]'
-          default='["macos15","macos26"]'
+          all='["macos12","macos13","macos14","macos15","macos26", "macos27"]'
+          default='["macos15","macos26", "macos27"]'
           oses="${{ github.event.inputs.oses }}"
           if [[ -z "$oses" || "$oses" == "null" ]]; then
             selected="$default"