build(deps-dev): bump @types/diff from 5.0.9 to 5.2.1

Bumps [@types/diff](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/diff) from 5.0.9 to 5.2.1.
- [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] <support@github.com>

package.json

@@ -32,7 +32,7 @@
   },
   "devDependencies": {
     "@octokit/types": "^13.5.0",
-    "@types/diff": "^5.0.9",
+    "@types/diff": "^5.2.1",
     "@types/node": "^20.12.12",
     "@typescript-eslint/eslint-plugin": "^7.9.0",
     "@vercel/ncc": "^0.38.1",