Update rich requirement from <8.0.0,>=4.0.0 to >=4.0.0,<9.0.0

[dependabot[bot]]

Updates the requirements on rich to permit the latest version.

Release notes

Sourced from rich's releases.

Locals in tracebacks

The highlight of this release is the option to show local variables in tracebacks.

[8.0.0] - 2020-10-03

### Added

• Added Console.bell method
• Added Set to types that Console.print will automatically pretty print
• Added show_locals to Traceback
• Added theme stack mechanism, see Console.push_theme and Console.pop_theme

Changed

• Changed Style.empty to Style.null to better reflect what it does
• Optimized combining styles involving a null style
• Change error messages in Style.parse to read better

Fixed

• Fixed Table.__rich_measure__
• Fixed incorrect calculation of fixed width columns

Changelog

Sourced from rich's changelog.

[8.0.0] - 2020-10-03

### Added

• Added Console.bell method
• Added Set to types that Console.print will automatically pretty print
• Added show_locals to Traceback
• Added theme stack mechanism, see Console.push_theme and Console.pop_theme

Changed

• Changed Style.empty to Style.null to better reflect what it does
• Optimized combining styles involving a null style
• Change error messages in Style.parse to read better

Fixed

• Fixed Table.__rich_measure__
• Fixed incorrect calculation of fixed width columns

[7.1.0] - 2020-09-26

Added

• Added Console.begin_capture, Console.end_capture and Console.capture
• Added Table.title_justify and Table.caption_justify willmcgugan/rich#301

### Changed

• Improved formatting of exceptions
• Enabled Rich exceptions in logging https://github.com/taliraj
• UTF-8 encoding is now mentioned in HTML head section

Removed

• Removed line_numbers argument from traceback.install, which was undocumented and did nothing

[7.0.0] - 2020-09-18

Added

• New ansi_dark and ansi_light themes
• Added Text.append_tokens for fast appending of string + Style pairs
• Added Text.remove_suffix
• Added Text.append_tokens

### Changed

• Text.tabs_to_spaces was renamed to Text.expand_tabs, which works in place rather than returning a new instance
• Renamed Column.index to Column._index

... (truncated)

Commits

• d9d59c6 Merge pull request #310 from willmcgugan/bell
• 5403640 tests
• d1f6b52 Merge branch 'bell' of github.com:willmcgugan/rich into bell
• 38d65b1 blackified
• 3a4300f Merge branch 'master' into bell
• 92f62f4 fixed measurements
• 57b2dcd docs and version bump
• ebb4eaa themed tracebacks
• 2634553 theme stack
• 33a171d Merge pull request #320 from willmcgugan/dependabot/pip/poetry-1.1.0
• Additional commits viewable in compare view

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[dependabot[bot]]

Superseded by #92.