Log Message:
py-yarl: update to 1.18.0.

1.18.0
======

*(2024-11-21)*

Features
--------

- Added ``keep_query`` and ``keep_fragment`` flags in the \ 
:py:meth:`yarl.URL.with_path`, :py:meth:`yarl.URL.with_name` and \ 
:py:meth:`yarl.URL.with_suffix` methods, allowing users to optionally retain the \ 
query string and fragment in the resulting URL when replacing the path -- by \ 
:user:`paul-nameless`.

  *Related issues and pull requests on GitHub:*
  :issue:`111`, :issue:`1421`.

Contributor-facing changes
--------------------------

- Started running downstream ``aiohttp`` tests in CI -- by :user:`Cycloctane`.

  *Related issues and pull requests on GitHub:*
  :issue:`1415`.

Miscellaneous internal changes
------------------------------

- Improved performance of converting :class:`~yarl.URL` to a string -- by \ 
:user:`bdraco`.

  *Related issues and pull requests on GitHub:*
  :issue:`1422`.