ERROR: While executing gem ... (Errno::EEXIST) File exists @ dir_s_mkdir - /usr/local/bin ON M1 Pro Sonoma 14.3

### Description

I am using a **M1 Pro Sonoma 14.3**, I can't seem to install colorls

I am using **iterm2** & also have _installed the latest ruby using homebrew, change the path from the apple's pre-installed ruby to the homebrew one._

```
sudo gem install colorls
Password:
ERROR: While executing gem ... (Errno::EEXIST)
File exists @ dir_s_mkdir - /usr/local/bin
```

- Relevant Issues : (none)
- Relevant PRs : (none)
- Type of issue :
- [X] Installation
- [ ] Font-related
- [ ] Feature request
- [ ] Bug in existing feature
- [ ] Developer mode : Code quality / Tests / Documentation

The report names no repository file, test, or entry point. Start by reproducing `sudo gem install colorls` on an M1 Pro running Sonoma 14.3 with Homebrew Ruby and inspect the `/usr/local/bin` failure; done is a documented, reproducible installation path or a confirmed project-side fix.

Written by the indexing model from the issue text.