Bump furo from 2022.3.4 to 2022.4.7 in /requirements

[dependabot[bot]]

Bumps furo from 2022.3.4 to 2022.4.7.

Changelog

Sourced from furo's changelog.

Changelog

2022.04.07 -- Magical Mauve

• ✨ Make sphinx-copybutton look better.
• Add margin to indentations in line blocks.
• Add styling for non-arabic list styles
• Add support for html_baseurl.
• Improve "Edit this page" icon to be more accessible.
• Improve html_sidebars example.
• Tweak positioning of back to top on desktop.

2022.03.04 -- Lucent Lilac

• Improve support for print media.
• Reduce heading sizes for h3 and below.
• Don't allow selecting headerlink content.
• Improve how overflow wrapping is handled.
• Add a reference from the configuration variables to the color customisation page.

2022.02.23 -- Keen Kobi

• ✨ Add a "Back to Top" button that shows up when scrolling up.
• Add a URL to GitHub in Project-URLs.
• Break long words in the prev/next buttons.
• Fix includes in Kitchen sink.
• Handle external references for viewcode links.
• Properly offset scrollspy.
• Switch from optional-dependencies (AKA extras) to dedicated requirements.txt files.

2022.02.14.1 -- Jazzy Jasmine (bugfix)

• Drop a , / for positional-only arguments.

2022.02.14 -- Jazzy Jasmine

• ✨ Rework typography, pivoting to bold headings.
• ✨ Redesign the footer and allow footer icons.
• ✨ Change the default permalinks icon.
• ✨ Add an edit button for RTD-built pages.
• ✨ Better integration of Read the Docs' embed.

... (truncated)

Commits

• 5424731 Prepare release: 2022.04.07
• 13c0ef2 Update changelog
• 3d3b99f Use a more subtle colour for copybutton background
• 58db5b8 Move theme setting code into a block
• aa04cd6 Add accessible name to 'Edit this page' icon (#411)
• 94783af [pre-commit.ci] pre-commit autoupdate (#404)
• aca1d2d Add margin to indentations in line blocks (#407)
• b4c8010 Add rel="canonical" based on html_baseurl configuration (#409)
• c386171 Add styling for non-arabic list styles (#403)
• 8d3ebc9 Tweak positioning of back to top on desktop
• Additional commits viewable in compare view

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[Guts]

@dependabot rebase

[dependabot[bot]]

Looks like this PR has been edited by someone other than Dependabot. That means Dependabot can't rebase it - sorry!

If you're happy for Dependabot to recreate it from scratch, overwriting any edits, you can request @dependabot recreate.

[Guts]

@dependabot recreate

[dependabot[bot]]

Looks like furo is no longer updatable, so this is no longer needed.