Bump serve-static and express in /Website/Website (#1474)

Bumps [serve-static](https://github.com/expressjs/serve-static) to 1.16.2 and updates ancestor dependency [express](https://github.com/expressjs/express). These dependencies need to be updated together. Updates `serve-static` from 1.15.0 to 1.16.2 - [Release notes](https://github.com/expressjs/serve-static/releases) - [Changelog](https://github.com/expressjs/serve-static/blob/v1.16.2/HISTORY.md) - [Commits](expressjs/serve-static@v1.15.0...v1.16.2) Updates `express` from 4.19.2 to 4.21.0 - [Release notes](https://github.com/expressjs/express/releases) - [Changelog](https://github.com/expressjs/express/blob/4.21.0/History.md) - [Commits](expressjs/express@4.19.2...4.21.0) --- updated-dependencies: - dependency-name: serve-static dependency-type: indirect - dependency-name: express dependency-type: direct:production ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]