chore: bump actions/upload-artifact from 4 to 5

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4 to 5.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](https://github.com/actions/upload-artifact/compare/v4...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] <support@github.com>

.github/workflows/build.yaml

@@ -219,7 +219,7 @@ jobs:
         if: success()
       # https://github.com/actions/upload-artifact/issues/38
       - run: tar -czf package.tar.gz release
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v5
         with:
           name: npm-package
           path: ./package.tar.gz
@@ -251,7 +251,7 @@ jobs:
           ./test/node_modules/.bin/playwright install-deps
           ./test/node_modules/.bin/playwright install
       - run: CODE_SERVER_TEST_ENTRY=./release npm run test:e2e
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v5
         if: always()
         with:
           name: failed-test-videos
@@ -304,7 +304,7 @@ jobs:
       - run: ~/.cache/caddy/caddy stop --config ./ci/Caddyfile
         if: always()
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v5
         if: always()
         with:
           name: failed-test-videos-proxy

.github/workflows/release.yaml

@@ -303,7 +303,7 @@ jobs:
       - run: tar -czf package.tar.gz release
 
       - name: Upload npm package artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: npm-release-package
           path: ./package.tar.gz