Bump nanoid from 3.3.1 to 3.3.18 in /react-nginx

Bumps [nanoid](https://github.com/ai/nanoid) from 3.3.1 to 3.3.18.
- [Release notes](https://github.com/ai/nanoid/releases)
- [Changelog](https://github.com/ai/nanoid/blob/3.3.18/CHANGELOG.md)
- [Commits](https://github.com/ai/nanoid/compare/3.3.1...3.3.18)

---
updated-dependencies:
- dependency-name: nanoid
  dependency-version: 3.3.18
  dependency-type: indirect
...

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