Update dependency mkdocs to v1.5.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
mkdocs (changelog)	1.5.1 -> 1.5.2

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Release Notes

mkdocs/mkdocs (mkdocs)

v1.5.2

Compare Source

• Bugfix (regression in 1.5.0): Restore functionality of --no-livereload. (#​3320)

• Bugfix (regression in 1.5.0): The new page title detection would sometimes be unable to drop anchorlinks - fix that. (#​3325)

• Partly bring back pre-1.5 API: extra_javascript items will once again be mostly strings, and only sometimes ExtraStringValue (when the extra script functionality is used).

  Plugins should be free to append strings to config.extra_javascript, but when reading the values, they must still make sure to read it as str(value) in case it is an ExtraScriptValue item. For querying the attributes such as .type you need to check isinstance first. Static type checking will guide you in that. (#​3324)

See commit log.

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