fix(ci): Perf. int. tests need Xcode 16.4 and should run daily (#15242)

Author: ncooke3

.github/workflows/performance-integration-tests.yml

@@ -12,8 +12,8 @@ on:
   #   - https://docs.github.com/en/actions/reference/events-that-trigger-workflows#scheduled-events-schedule
   #   - https://crontab.guru/
   schedule:
-    # Runs every 4 hours.
-    - cron:  '0 */4 * * *'
+    # Runs once a day.
+    - cron:  '0 0 * * *'
 
 concurrency:
     group: ${{ github.workflow }}-${{ github.head_ref || github.ref }}
@@ -33,6 +33,8 @@ jobs:
       with:
         cache_key: integration
     - uses: ruby/setup-ruby@354a1ad156761f5ee2b7b13fa8e09943a5e8d252 # v1
+    - name: Xcode
+      run: sudo xcode-select -s /Applications/Xcode_16.4.app/Contents/Developer
     - name: Setup Bundler
       run: scripts/setup_bundler.sh
     - name: Install xcpretty