uv 0.11.30: Python 3.15 support, workspace enhancements, performance gains

This release of uv adds support for CPython 3.15.0b4 and introduces several preview features for workspace management. Significant performance improvements have been made across the resolver and cache handling, alongside bug fixes for uninstall and pyvenv.cfg path preservation. The release targets Python developers and architects working with package management, offering enhanced speed and new capabilities.

• →Prevent skipped tar-wheel entries from causing unrelated files to be removed during uninstall
• →Preserve literal extends-environment paths in pyvenv.cfg on Unix
• →Add a contribution guide (#20511, #20552)