Bump the npm-dependencies group with 6 updates

Bumps the npm-dependencies group with 6 updates:

| Package | From | To |
| --- | --- | --- |
| [@actions/core](https://github.com/actions/toolkit/tree/HEAD/packages/core) | `2.0.1` | `3.0.0` |
| [@actions/github](https://github.com/actions/toolkit/tree/HEAD/packages/github) | `6.0.1` | `9.0.0` |
| [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) | `25.0.3` | `25.1.0` |
| [@vitest/coverage-v8](https://github.com/vitest-dev/vitest/tree/HEAD/packages/coverage-v8) | `4.0.16` | `4.0.18` |
| [prettier](https://github.com/prettier/prettier) | `3.7.4` | `3.8.1` |
| [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest) | `4.0.16` | `4.0.18` |


Updates `@actions/core` from 2.0.1 to 3.0.0
- [Changelog](https://github.com/actions/toolkit/blob/main/packages/core/RELEASES.md)
- [Commits](https://github.com/actions/toolkit/commits/HEAD/packages/core)

Updates `@actions/github` from 6.0.1 to 9.0.0
- [Changelog](https://github.com/actions/toolkit/blob/main/packages/github/RELEASES.md)
- [Commits](https://github.com/actions/toolkit/commits/HEAD/packages/github)

Updates `@types/node` from 25.0.3 to 25.1.0
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

Updates `@vitest/coverage-v8` from 4.0.16 to 4.0.18
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.0.18/packages/coverage-v8)

Updates `prettier` from 3.7.4 to 3.8.1
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](prettier/prettier@3.7.4...3.8.1)

Updates `vitest` from 4.0.16 to 4.0.18
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.0.18/packages/vitest)

---
updated-dependencies:
- dependency-name: "@actions/core"
  dependency-version: 3.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: npm-dependencies
- dependency-name: "@actions/github"
  dependency-version: 9.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: npm-dependencies
- dependency-name: "@types/node"
  dependency-version: 25.1.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: npm-dependencies
- dependency-name: "@vitest/coverage-v8"
  dependency-version: 4.0.18
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: npm-dependencies
- dependency-name: prettier
  dependency-version: 3.8.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: npm-dependencies
- dependency-name: vitest
  dependency-version: 4.0.18
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: npm-dependencies
...

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