ci: add Xcode 14.1

Change-Id: I8415fb1375da16813a69fa7a03bf37a7b0efc8b7
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 21e8948..8035fc9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -54,6 +54,8 @@
         include:
           - os: macos-12
             xcode: '13.4'
+          - os: macos-12
+            xcode: '14.1'
     steps:
       - name: Set up Xcode
         uses: maxim-lobanov/setup-xcode@v1