[CI] Switch macos version to keep the support of Xcode 15.4 (#852)

Author: testableapple

.github/workflows/cron-checks.yml

@@ -28,7 +28,7 @@ jobs:
             setup_runtime: false
           - ios: 17.5
             xcode: 15.4
-            os: macos-15
+            os: macos-14
             device: "iPhone 15 Pro"
             setup_runtime: false
           - ios: 16.4
@@ -112,7 +112,7 @@ jobs:
 
   build-old-xcode:
     name: Build SDKs (Xcode 15)
-    runs-on: macos-15
+    runs-on: macos-14
     env:
       XCODE_VERSION: "15.4"
     steps:
@@ -122,8 +122,6 @@ jobs:
         ssh-private-key: ${{ secrets.BOT_SSH_PRIVATE_KEY }}
     - uses: actions/[email protected]
     - uses: ./.github/actions/ruby-cache
-    - name: List Xcode versions
-      run: mdfind "kMDItemCFBundleIdentifier = 'com.apple.dt.Xcode'"
       timeout-minutes: 25
     - name: Build SwiftUI
       run: bundle exec fastlane test_ui device:"iPhone 15" build_for_testing:true
@@ -137,7 +135,7 @@ jobs:
 
   automated-code-review:
     name: Automated Code Review
-    runs-on: macos-15
+    runs-on: macos-14
     env:
       XCODE_VERSION: "15.4"
     steps:

.github/workflows/smoke-checks.yml

@@ -46,7 +46,7 @@ jobs:
 
   automated-code-review:
     name: Automated Code Review
-    runs-on: macos-15
+    runs-on: macos-14
     if: ${{ github.event.inputs.record_snapshots != 'true' }}
     env:
       XCODE_VERSION: "15.4"
@@ -65,7 +65,7 @@ jobs:
 
   build-xcode15:
     name: Build SDKs (Xcode 15)
-    runs-on: macos-15
+    runs-on: macos-14
     if: ${{ github.event.inputs.record_snapshots != 'true' }}
     env:
       XCODE_VERSION: "15.4"
@@ -76,8 +76,6 @@ jobs:
         ssh-private-key: ${{ secrets.BOT_SSH_PRIVATE_KEY }}
     - uses: actions/[email protected]
     - uses: ./.github/actions/ruby-cache
-    - name: List Xcode versions
-      run: mdfind "kMDItemCFBundleIdentifier = 'com.apple.dt.Xcode'"
       timeout-minutes: 25
     - name: Build SwiftUI
       run: bundle exec fastlane test_ui device:"iPhone 15" build_for_testing:true