update Xcode 16.3

Author: joshuawright11

.github/workflows/test.yml

@@ -11,11 +11,8 @@ jobs:
     test-macos:
         runs-on: macos-latest
         env:
-            DEVELOPER_DIR: /Applications/Xcode_16.1.app/Contents/Developer
+            DEVELOPER_DIR: /Applications/Xcode_16.3.app/Contents/Developer
         steps:
-            - uses: maxim-lobanov/setup-xcode@v1
-              with:
-                xcode-version: latest-stable
             - uses: actions/checkout@v3
             - name: Build
               run: swift build