Update rich requirement from ~=9.6.2 to ~=9.9.0

[dependabot[bot]]

Updates the requirements on rich to permit the latest version.

Release notes

Sourced from rich's releases.

Traceback optimizations and fixes

[9.9.0] - 2021-01-23

Changed

• Extended Windows palette to 16 colors
• Modified windows palette to Windows 10 colors
• Change regex for attrib_name to be more performant
• Optimized traceback generation

Fixed

• Fix double line tree guides on Windows
• Fixed Tracebacks ignoring initial blank lines
• Partial fix for tracebacks not finding source after chdir

Added

• Added post_style argument to Segment.apply_style

Changelog

Sourced from rich's changelog.

[9.9.0] - 2021-01-23

Changed

• Extended Windows palette to 16 colors
• Modified windows palette to Windows 10 colors
• Change regex for attrib_name to be more performant
• Optimized traceback generation

Fixed

• Fix double line tree guides on Windows
• Fixed Tracebacks ignoring initial blank lines
• Partial fix for tracebacks not finding source after chdir

Added

• Added post_style argument to Segment.apply_style

[9.8.2] - 2021-01-15

Fixed

• Fixed deadlock in live willmcgugan/rich#927

[9.8.1] - 2021-01-13

Fixed

• Fixed rich.inspect failing with attributes that claim to be callable but aren't willmcgugan/rich#916

[9.8.0] - 2021-01-11

### Added

• Added rich_measure for tree
• Added rich.align.VerticalCenter

Changed

• The style argument on Align now applies to background only
• Changed display of progress bars in no_color mode for clarity
• Console property size will fall back to getting the terminal size of stdout it stdin fails, this allows size to be correctly determined when piping

Fixed

• Fixed panel cropping when shrunk too bar
• Allow passing markdown over STDIN when using python -m rich.markdown
• Fix printing MagicMock.mock_calls willmcgugan/rich#903

... (truncated)

Commits

• 3473658 Merge pull request #955 from willmcgugan/traceback-speed
• 377e9d6 remove superfluous tabs
• c02aa33 tidy
• a0b6982 fix traceback chdir issue
• c1055ce coverage
• 5fa1bc4 version bump
• 0035fb0 remove timer
• 165d9f2 remove comments
• 449c1fb optimizations for traceback
• 3a8ab02 Merge pull request #951 from willmcgugan/dependabot/pip/pytest-cov-2.11.1
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot merge` will merge this PR after your CI passes on it - `@dependabot squash and merge` will squash and merge this PR after your CI passes on it - `@dependabot cancel merge` will cancel a previously requested merge and block automerging - `@dependabot reopen` will reopen this PR if it is closed - `@dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually - `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)

[dependabot[bot]]

Superseded by #73.