Bump actions/upload-artifact from 3 to 5

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3 to 5.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v3...v5)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/unity-build.yml

@@ -34,7 +34,7 @@ jobs:
           targetPlatform: StandaloneWindows64
 
       - name: Upload build artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v5
         with:
           name: Build-StandaloneWindows64
           path: build/StandaloneWindows64 

.github/workflows/unity-test.yml

@@ -36,7 +36,7 @@ jobs:
           artifactsPath: TestResults
 
       - name: Upload test results
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v5
         if: always()
         with:
           name: Test Results