ci: add Xcode 14.1

Change-Id: I5e809720778b9386f3bd37f74e3a270be340ea15
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3495a8f..b551e45 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -52,6 +52,8 @@
         include:
           - os: macos-12
             xcode: '13.4'
+          - os: macos-12
+            xcode: '14.1'
     steps:
       - name: Set up Xcode
         uses: maxim-lobanov/setup-xcode@v1