build(deps): bump actions/upload-artifact from 3 to 4 (#541)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/test.yml

@@ -80,7 +80,7 @@ jobs:
         run: phpcs --standard=tests/phpcs.xml --ignore=\*Minifier.php src/ | cs2pr
 
       - name: Upload coverage result
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: coverage
           path: coverage.xml