Bump the npm_and_yarn at /. security update group with 1 update

Bumps the npm_and_yarn at /. security update group with 1 update: [spfx-fast-serve-helpers](https://github.com/s-KaiNet/spfx-fast-serve-helpers).

- [Commits](https://github.com/s-KaiNet/spfx-fast-serve-helpers/commits)

---
updated-dependencies:
- dependency-name: spfx-fast-serve-helpers
  dependency-type: direct:development
...

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Author: dependabot[bot]