build(deps-dev): bump the dev-dependencies group across 1 directory w…

…ith 2 updates (#2424)

Bumps the dev-dependencies group with 2 updates in the / directory: [@types/chai](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/chai) and [type-fest](https://github.com/sindresorhus/type-fest).


Updates `@types/chai` from 4.3.18 to 4.3.19
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/chai)

Updates `type-fest` from 4.25.0 to 4.26.0
- [Release notes](https://github.com/sindresorhus/type-fest/releases)
- [Commits](sindresorhus/type-fest@v4.25.0...v4.26.0)

---
updated-dependencies:
- dependency-name: "@types/chai"
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dev-dependencies
- dependency-name: type-fest
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
...

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