update gh-runner@macOS-latest, xcode@16.3 (#279)

Author: scareything

.github/workflows/CI.yml

@@ -13,7 +13,7 @@ permissions:
 
 jobs:
   build-tsdk:
-    runs-on: macos-13
+    runs-on: macos-latest
 
     strategy:
       matrix:
@@ -32,7 +32,7 @@ jobs:
 
     - uses: maxim-lobanov/setup-xcode@v1
       with:
-        xcode-version: '15.2'
+        xcode-version: '16.3'
 
     - name: macOS tools
       if: runner.os == 'macOS'
@@ -59,7 +59,7 @@ jobs:
         path: ${{ matrix.spec.name }}.tgz
 
   build-cziti:
-    runs-on: macos-13
+    runs-on: macos-latest
     needs: [ build-tsdk ]
 
     steps:
@@ -70,7 +70,7 @@ jobs:
 
     - uses: maxim-lobanov/setup-xcode@v1
       with:
-        xcode-version: '15.2'
+        xcode-version: '16.3'
 
     - name: Download Artifacts
       uses: actions/download-artifact@v4