chore(ci): Update Pixi (major)

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	Pending
clang (source)	feature-compilers	major	>=21.1.2,<22 → >=22.1,<23	22.1.3
cmake (source)	feature-compilers	major	>=3,<4 → >=4,<5
rich	feature-python-test-deps	major	>=14.1.0,<15 → >=15,<16
rich	feature-backends-release	major	>=14,<15 → >=15,<16

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Release Notes

Textualize/rich (rich)

v15.0.0

Compare Source

Changed

• Breaking change: Dropped support for Python3.8

Fixed

• Fixed empty print ignoring the end parameter #​4075
• Fixed Text.from_ansi removing newlines #​4076
• Fixed FileProxy.isatty not proxying #​4077
• Fixed inline code in Markdown tables cells #​4079

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