Add support for --with-editable to uv tool (#6744)

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## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
close #6272 

## Test Plan
<!-- How was it tested? -->
As in https://github.com/astral-sh/uv/pull/6262

---------

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

crates/uv-cli/src/lib.rs

@@ -3204,6 +3204,14 @@ pub struct ToolRunArgs {
     #[arg(long)]
     pub with: Vec<String>,
 
+    /// Run with the given packages installed as editables
+    ///
+    /// When used in a project, these dependencies will be layered on top of
+    /// the uv tool's environment in a separate, ephemeral environment. These
+    /// dependencies are allowed to conflict with those specified.
+    #[arg(long)]
+    pub with_editable: Vec<String>,
+
     /// Run with all packages listed in the given `requirements.txt` files.
     #[arg(long, value_parser = parse_maybe_file_path)]
     pub with_requirements: Vec<Maybe<PathBuf>>,