Update rich-click requirement from ~=1.7 to ~=1.9 in /requirements

[dependabot]

Updates the requirements on rich-click to permit the latest version.

Release notes

Sourced from rich-click's releases.

v1.9.1

• Fixed bug where running the rich-click CLI on a @rich_click.argument() sometimes caused arguments show up in the option panel when it shouldn't.
• Slightly reduced horizontal padding of the modern theme format.
• Fixed Click 8.3 compatibility with rendering defaults in help text.

Changelog

Sourced from rich-click's changelog.

Version 1.9.1 (2025-09-20)

• Fixed bug where running the rich-click CLI on a @rich_click.argument() sometimes caused arguments show up in the option panel when it shouldn't.
• Slightly reduced horizontal padding of the modern theme format.
• Fixed Click 8.3 compatibility with rendering defaults in help text.

Version 1.9.0 (2025-09-16)

[!WARNING] Version 1.9.0 deprecates support for a lot of old versions of things:

• Python 3.7 support is removed. The minimum supported Python version is 3.8.
• Click 7 support is removed. The minimum supported Click version is 8.0.
• Rich 10 and 11 support is removed. The minimum supported Rich version is 12.

[!WARNING] Version 1.9.0 introduces a minor breaking change: The DEFAULT_STRING, ENVVAR_STRING, REQUIRED_STRING, and DEPRECATED_STRING config options are now rendered with Text.from_markup. So for example, REQUIRED_STRING = "[required]" would be rendered as Rich markup. You must now escape the rich markup: REQUIRED_STRING = "\\[required]"

Big changes:

• Themes! Check them out with rich-click --themes.
• Typer support: rich-click typer_app --help.
• RichPanels API introduced. This replaces the "groups" feature going forward (although groups will continue to be supported).
  • @click.option_panel()
  • @click.command_panel()
• IDE tab completion support for decorators. Now you should no longer need to guess what goes in @click.option() or @click.command(context_settings=...) etc.
• Help for arguments: help= is now a valid kwarg for @click.argument() decorator. See docs for more information.

Small changes:

• "Deprecated" text properly handled and stylized in all places.
• Command aliases: @cli.command(aliases=["foo"])
• Improved rich-click CLI usability: improved patching and improved script detection+execution.
• context_settings={"help_to_stderr": True} support.
• Added suite of padding_* config options to control padding.
  • Better newline handling:
    • Unordered lists create newlines in help text, e.g. "\n- foo\n- bar" or "\n* foo\n* bar"
    • Newline control in help text with text_paragraph_linebreaks config option.
• Added a few text_* config options, including notably text_kwargs which can control code styles in Markdown.

Backend (mostly invisible) changes:

• Overhauled our test suite to use inline-snapshot! 😁
• Improved test coverage and CI.
• typing_extensions now only required for < Python 3.11.
• RichHelpFormatter now defers printing by default if a user does not specify a Console. [#231] (With contributions from @​ofek)
  • This more closely aligns the RichHelpFormatter with how base Click works.

... (truncated)

Commits

• f041971 set date for changelog
• 09b3ece Merge pull request #296 from dwreeves/issue-293
• 164d7c0 add 8.3 to tests
• c792472 Merge pull request #295 from dwreeves/issue-293
• 2268fc4 fix 8.3 incompatibility
• bb9d72e Generate new screengrabs with rich-codex
• ff67222 Merge pull request #291 from dwreeves/19-extremely-minor-bugfix
• 96d7dc0 update test case
• d39454a Fix and reduce modern padding
• 5d468b0 Extremely minor bugfix
• Additional commits viewable in compare view

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