build(deps): update rich requirement from >=13.0.0 to >=15.0.0

[dependabot]

Updates the requirements on rich to permit the latest version.

Release notes

Sourced from rich's releases.

The So Long 3.8 Release

A few fixes. The major version bump is to honor the passing of 3.8 support which reached its EOL in October 7, 2024

[15.0.0] - 2026-04-12

Changed

• Breaking change: Dropped support for Python3.8

Fixed

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

Changelog

Sourced from rich's changelog.

[15.0.0] - 2026-04-12

Changed

• Breaking change: Dropped support for Python3.8

Fixed

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

[14.3.4] - 2026-04-11

Changed

• Improved import time with lazy loading Textualize/rich#4070
• Changed link id generation to avoid random number generation at runtime Textualize/rich#3845

[14.3.3] - 2026-02-19

Fixed

• Fixed infinite loop with cells.split_graphemes Textualize/rich#4006

[14.3.2] - 2026-02-01

Fixed

• Fixed solo ZWJ crash Textualize/rich#3953
• Fixed control codes reporting width of 1 Textualize/rich#3953

[14.3.1] - 2026-01-24

Fixed

• Fixed characters out of unicode range reporting a cell size if 0 Textualize/rich#3944

[14.3.0] - 2026-01-24

Fixed

• IPython now respects when a Console instance is passed to pretty.install Textualize/rich#3915
• Fixed extraneous blank line on non-interactive disabled Progress Textualize/rich#3905
• Fixed extra padding on first cell in columns Textualize/rich#3935
• Fixed trailing whitespace removed when soft_wrap=True Textualize/rich#3937
• Fixed style new-lines when soft_wrap = True and a print style is set Textualize/rich#3938

Added

... (truncated)

Commits

• 6ac483c correction
• 458a910 Merge pull request #4080 from Textualize/bump1500
• 82e06e0 changelog
• d6556bc bump to 15.0.0
• ffe2edc Merge pull request #4079 from Textualize/inline-table-code
• cf3b5a1 changelog
• 77f0edb remove comments
• 7ef2d05 fix inline code in table cells
• 19c67b9 Merge pull request #4077 from Textualize/isattry
• 494b795 changelog
• Additional commits viewable in compare view