Support --with-editable in uv tool install (#8472)

## Summary

Closes https://github.com/astral-sh/uv/issues/7528

## Test Plan

`cargo test`

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Co-authored-by: Zanie Blue <contact@zanie.dev>

docs/reference/cli.md

@@ -3240,6 +3240,8 @@ uv tool install [OPTIONS] <PACKAGE>
 
 </dd><dt><code>--with</code> <i>with</i></dt><dd><p>Include the following extra requirements</p>
 
+</dd><dt><code>--with-editable</code> <i>with-editable</i></dt><dd><p>Include the given packages as editables</p>
+
 </dd><dt><code>--with-requirements</code> <i>with-requirements</i></dt><dd><p>Run all requirements listed in the given <code>requirements.txt</code> files</p>
 
 </dd></dl>