Support PEP 723 scripts in uv add and uv remove (#5995)

## Summary

Resolves #4667

## Test Plan

`cargo test`

crates/uv-cli/src/lib.rs

@@ -2450,6 +2450,16 @@ pub struct AddArgs {
     #[arg(long, conflicts_with = "isolated")]
     pub package: Option<PackageName>,
 
+    /// Add the dependency to the specified Python script, rather than to a project.
+    ///
+    /// If provided, uv will add the dependency to the script's inline metadata
+    /// table, in adhere with PEP 723. If no such inline metadata table is present,
+    /// a new one will be created and added to the script. When executed via `uv run`,
+    /// uv will create a temporary environment for the script with all inline
+    /// dependencies installed.
+    #[arg(long, conflicts_with = "dev", conflicts_with = "optional")]
+    pub script: Option<PathBuf>,
+
     /// The Python interpreter to use for resolving and syncing.
     ///
     /// See `uv help python` for details on Python discovery and supported
@@ -2509,6 +2519,13 @@ pub struct RemoveArgs {
     #[arg(long, conflicts_with = "isolated")]
     pub package: Option<PackageName>,
 
+    /// Remove the dependency from the specified Python script, rather than from a project.
+    ///
+    /// If provided, uv will remove the dependency from the script's inline metadata
+    /// table, in adhere with PEP 723.
+    #[arg(long)]
+    pub script: Option<PathBuf>,
+
     /// The Python interpreter to use for resolving and syncing.
     ///
     /// See `uv help python` for details on Python discovery and supported

crates/uv-scripts/Cargo.toml

@@ -15,10 +15,8 @@ uv-settings = { workspace = true }
 uv-workspace = { workspace = true }
 
 fs-err = { workspace = true, features = ["tokio"] }
+indoc = { workspace = true }
 memchr = { workspace = true }
 serde = { workspace = true, features = ["derive"] }
 thiserror = { workspace = true }
 toml = { workspace = true }
-
-[dev-dependencies]
-indoc = { workspace = true }