ci: run library evolution step on latest Xcode

Author: grdsdev

.github/workflows/ci.yml

@@ -132,10 +132,13 @@ jobs:
   library-evolution:
     name: Library (evolution)
     runs-on: macos-14
+    strategy:
+      matrix:
+        xcode: ["16.3"]
     steps:
       - uses: actions/checkout@v4
-      - name: Select Xcode 15.4
-        run: sudo xcode-select -s /Applications/Xcode_15.4.app
+      - name: Select Xcode ${{ matrix.xcode }}
+        run: sudo xcode-select -s /Applications/Xcode_${{ matrix.xcode }}.app
       - name: Build for library evolution
         run: make build-for-library-evolution