Niquests

------------------

**Fixed**
- CaseInsensibleDict did not properly convert HTTPHeaderDict from urllib3 thus only letting the last entry in.
- Redirect chain lead to a non waited coroutine in `AsyncSession`.

------------------

**Added**
- Support for specifying a custom DNS resolver in `Session`.
- Support for passing the source address in `Session`.
- Support for disabling either IPv4 or IPv6 within a `Session`.

**Changed**
- PySocks is no longer used for SOCKS proxies. Replaced by **python-socks** instead.
- urllib3.future minimal version raised to 2.4+ to leverage newly added features.
- Improve compatibility when end-user inadvertently pass a `Timeout` or `Retry` instance from the legacy `urllib3` instead of `urllib3_future`.

**Fixed**
- Blocking the event loop when closing the `AsyncSession` using `with`.
- Rare exception on older PyPy interpreters due to Generic having unsupported type variable in `extensions._sync_to_async` module.

**Misc**
- Project extras aligned with **urllib3.future**.
- Using nox instead of tox.
- Switch to ruff instead of black and isort.

------------------

**Fixed**
- Overall static typing experience have been improved.
- Code HTTP 425 is now registered as `too_early` in addition to the legacy `unordered_collection`.

**Removed**
- Private module `niquests._internal_utils` has been removed as it no longer serve its purposes.

------------------

**Added**
- Hook `on_upload` that allows you to monitor/track the upload progress.
- Model `TransferProgress` that is used in `PreparedRequest` as public property `upload_progress`.

------------------

**Fixed**
- Hooks that does not accept keyword arguments are rejected.
- Applying `max_fetch` to `Session.gather(...)` did not prevent the adapter to drain all pending responses.
- Closed session having unconsumed multiplexed requests leaked an exception from urllib3.future.

**Changed**
- Aligned `qh3` version constraint in `http3` extra with urllib3.future.

------------------

**Fixed**
- Warning filter (ignore) for `DependencyWarning` within urllib3.future wasn't applied in time.