Bump vim/bundle/nerdtree from 9184ec0 to 4c588f1

Bumps [vim/bundle/nerdtree](https://github.com/scrooloose/nerdtree) from `9184ec0` to `4c588f1`.
- [Commits](preservim/nerdtree@9184ec0...4c588f1)

---
updated-dependencies:
- dependency-name: vim/bundle/nerdtree
  dependency-type: direct:production
...

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