fixup: 5k limit

Signed-off-by: Matteo Collina <hello@matteocollina.com>

Author: mcollina

doc/contributing/large-pull-requests.md

@@ -25,7 +25,7 @@ requests in the Node.js project.
 
 ## What qualifies as a large pull request
 
-A pull request is considered large when it exceeds **3000 lines** of net
+A pull request is considered large when it exceeds **5000 lines** of net
 change (lines added minus lines deleted). This threshold applies across all
 files in the pull request, including changes in `deps/`, `test/`, `doc/`,
 `lib/`, `src/`, and `tools/`.