build(deps-dev): bump @types/diff from 5.0.9 to 5.2.0

Bumps [@types/diff](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/diff) from 5.0.9 to 5.2.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/diff)

---
updated-dependencies:
- dependency-name: "@types/diff"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]