Build(deps): Bump terser from 5.3.8 to 5.16.3 in /examples/webpack

Bumps [terser](https://github.com/terser/terser) from 5.3.8 to 5.16.3.
- [Release notes](https://github.com/terser/terser/releases)
- [Changelog](https://github.com/terser/terser/blob/master/CHANGELOG.md)
- [Commits](terser/terser@v5.3.8...v5.16.3)

---
updated-dependencies:
- dependency-name: terser
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>