feat(proxy): enhanced websocket request level proxy definition

[0x676e67]

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[Copilot]

Pull Request Overview

This pull request enhances proxy support in WebSocket requests by replacing string‐based proxy definitions with a more structured proxy type. Key changes include:

• Changing the proxy type from a string (or PyBackedStr) to ProxyExtractor/Proxy in parameters and documentation.
• Updating docstrings and type annotations across async and blocking clients.
• Bumping the rquest dependency version and enabling new proxy-related features.

Reviewed Changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
src/typing/param/ws.rs	Updated the proxy field to use a ProxyExtractor, reflecting the new proxy design.
src/lib.rs	Revised documentation to refer to Proxy rather than a string type.
src/blocking/client.rs	Updated proxy annotations in doc comments to use the new Proxy type.
src/async_impl/request.rs	Modified macro usage for applying proxy options with the new type.
src/async_impl/client.rs	Updated doc comments for proxy usage in async client methods.
rnet.pyi	Revised proxy type in type hints and method signatures.
Cargo.toml	Upgraded rquest dependency and added features to support enhanced proxy functionality.

Comments suppressed due to low confidence (3)

src/typing/param/ws.rs:15

• Consider aligning the proxy type naming with the rest of the codebase; either rename 'ProxyExtractor' to 'Proxy' or update the documentation to clearly indicate the distinction.

pub proxy: Option<ProxyExtractor>,

src/async_impl/request.rs:200

• Verify that the 'apply_if_some_inner' macro correctly handles the conversion for 'params.proxy' and maintains consistency with previous behavior.

apply_option!(apply_if_some_inner, builder, params.proxy, proxy);

Cargo.toml:44

• Double-check that the updated rquest version and the addition of 'cookies-preserve-order' and 'cookies-multiple' features are fully compatible with the rest of the codebase.

rquest = { version = "5.1.0", features = [