Update @types/jest in group pkg to the latest version � (#964)

Summary:
I think I accidentally pinned this before. That's not necessary.

Pull Request resolved: https://github.com/facebook/flipper/pull/964

Test Plan: yarn test

Reviewed By: mweststrate

Differential Revision: D20835725

Pulled By: passy

fbshipit-source-id: 627594d4f1a425cf0db410a097c82af6758d7d11

desktop/pkg/package.json

@@ -27,7 +27,7 @@
   },
   "devDependencies": {
     "@oclif/dev-cli": "^1",
-    "@types/jest": "25.1.4",
+    "@types/jest": "^25.1.0",
     "globby": "^10",
     "jest": "^25.1.0",
     "prettier": "^2.0.0",