Update GitHub Actions to use latest versions

.github/workflows/tests.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: macos-latest
     
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     
     - name: Select Xcode
       run: sudo xcode-select -switch /Applications/Xcode.app
@@ -30,9 +30,7 @@ jobs:
 
     - name: Upload test results
       if: success() || failure()
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: test-results
-        path: |
-          build/reports/
-          build/logs/
+        path: build/reports/