Bump mkdocs from 1.5.3 to 1.6.0 in /docs

[dependabot]

Bumps mkdocs from 1.5.3 to 1.6.0.

Release notes

Sourced from mkdocs's releases.

1.6.0

Local preview

• mkdocs serve no longer locks up the browser when more than 5 tabs are open. This is achieved by closing the polling connection whenever a tab becomes inactive. Background tabs will no longer auto-reload either - that will instead happen as soon the tab is opened again. Context: #3391

• New flag serve --open to open the site in a browser.
  After the first build is finished, this flag will cause the default OS Web browser to be opened at the home page of the local site.
  Context: #3500

Drafts

[!warning] Changed from version 1.5:

The exclude_docs config was split up into two separate concepts.

The exclude_docs config no longer has any special behavior for mkdocs serve - it now always completely excludes the listed documents from the site.

If you wish to use the "drafts" functionality like the exclude_docs key used to do in MkDocs 1.5, please switch to the new config key draft_docs.

See documentation.

Other changes:

• Reduce warning levels when a "draft" page has a link to a non-existent file. Context: #3449

Update to deduction of page titles

MkDocs 1.5 had a change in behavior in deducing the page titles from the first heading. Unfortunately this could cause unescaped HTML tags or entities to appear in edge cases.

Now tags are always fully sanitized from the title. Though it still remains the case that Page.title is expected to contain HTML entities and is passed directly to the themes.

Images (notably, emojis in some extensions) get preserved in the title only through their alt attribute's value.

Context: #3564, #3578

Themes

• Built-in themes now also support Polish language (#3613)

"readthedocs" theme

• Fix: "readthedocs" theme can now correctly handle deeply nested nav configurations (over 2 levels deep), without confusedly expanding all sections and jumping around vertically. (#3464)

• Fix: "readthedocs" theme now shows a link to the repository (with a generic logo) even when isn't one of the 3 known hosters. (#3435)

• "readthedocs" theme now also has translation for the word "theme" in the footer that mistakenly always remained in English. (#3613, #3625)

"mkdocs" theme

... (truncated)

Commits

• 0998fec Release 1.6.0 (#3631)
• bce85bf Fix for showing repository icon even when a file has no edit_uri (#3657)
• 0ac05da Re-generate localization files (#3634)
• 6244500 Remove jQuery from mkdocs theme (#3649)
• f85d429 Prevent a flash of white color when dark mode is enabled (#3647)
• e39cce2 Fix style of modal close button (#3651)
• 652813d Prevent a crash if stdin is not defined (#3609)
• 59a295f Merge pull request #3493 from waylan/2248
• 6f5e748 Merge pull request #3625 from mkdocs/themepo
• 1451fb3 Babel setuptools frontend is still used in the install hook
• Additional commits viewable in compare view

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