Bump the npm_and_yarn group across 1 directory with 2 updates

Bumps the npm_and_yarn group with 2 updates in the / directory: [flatted](https://github.com/WebReflection/flatted) and [undici](https://github.com/nodejs/undici).


Updates `flatted` from 3.3.1 to 3.4.2
- [Commits](WebReflection/flatted@v3.3.1...v3.4.2)

Updates `undici` from 7.18.2 to 7.24.4
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](nodejs/undici@v7.18.2...v7.24.4)

---
updated-dependencies:
- dependency-name: flatted
  dependency-version: 3.4.2
  dependency-type: indirect
  dependency-group: npm_and_yarn
- dependency-name: undici
  dependency-version: 7.24.4
  dependency-type: indirect
  dependency-group: npm_and_yarn
...

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

Author: dependabot[bot]