Update definitelyTyped (major) (#47285)

* Update definitelyTyped
* pnpmfile hack for Gutenberg still being on node 20
* Simplify types in publicize tests

---------

Co-authored-by: Renovate Bot <bot@renovateapp.com>
Co-authored-by: Brad Jorsch <brad.jorsch@automattic.com>
Co-authored-by: Manzoor Wani <manzoorwani.jk@gmail.com>

Committed via a GitHub action: https://github.com/Automattic/jetpack/actions/runs/22354951278

Upstream-Ref: Automattic/jetpack@27454d1

Author: anomiex

CHANGELOG.md

@@ -12,6 +12,7 @@ This is an alpha version! The changes listed here are not final.
 ### Changed
 - Set `.repository.url` in `package.json` to the mirror repo rather than the monorepo. Required for enabling provenance.
 - Update dependencies.
+- Update package dependencies.
 
 ## [1.2.2] - 2026-02-04
 ### Changed

package.json

@@ -50,7 +50,7 @@
 		"@testing-library/dom": "10.4.1",
 		"@testing-library/react": "16.3.0",
 		"@types/jest": "30.0.0",
-		"@types/react": "18.3.26",
+		"@types/react": "18.3.28",
 		"jest": "30.2.0",
 		"react": "^18.2.0",
 		"react-dom": "^18.2.0",