test: Use macos-14 and xcode 15

Author: OS-pedrogustavobilro

.github/workflows/prepare_release.yml

@@ -7,7 +7,7 @@ on:
 
 jobs:
   build-and-release:
-    runs-on: macos-latest
+    runs-on: macos-14
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -16,7 +16,7 @@ jobs:
         run: brew link --overwrite swiftlint || brew install swiftlint
 
       - name: Set up XCode 
-        run: sudo xcode-select --switch /Applications/Xcode_16.4.app
+        run: sudo xcode-select --switch /Applications/Xcode_15.0.app
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1