Bump the dev-dependencies group across 1 directory with 3 updates

Bumps the dev-dependencies group with 3 updates in the /npm_and_yarn/helpers directory: [eslint](https://github.com/eslint/eslint), [jest](https://github.com/jestjs/jest/tree/HEAD/packages/jest) and [prettier](https://github.com/prettier/prettier).


Updates `eslint` from 9.31.0 to 9.39.1
- [Release notes](https://github.com/eslint/eslint/releases)
- [Commits](eslint/eslint@v9.31.0...v9.39.1)

Updates `jest` from 30.0.5 to 30.2.0
- [Release notes](https://github.com/jestjs/jest/releases)
- [Changelog](https://github.com/jestjs/jest/blob/main/CHANGELOG.md)
- [Commits](https://github.com/jestjs/jest/commits/v30.2.0/packages/jest)

Updates `prettier` from 3.6.2 to 3.7.3
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](prettier/prettier@3.6.2...3.7.3)

---
updated-dependencies:
- dependency-name: eslint
  dependency-version: 9.39.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
- dependency-name: jest
  dependency-version: 30.2.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
- dependency-name: prettier
  dependency-version: 3.7.3
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]