fix(deps): update mkdocs-material to v9.6.18

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence	Type	Update
mkdocs-material (changelog)	==9.6.15 -> ==9.6.18			project.dependencies	patch
squidfunk/mkdocs-material	9.6.15 -> 9.6.18			stage	patch

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Release Notes

squidfunk/mkdocs-material (mkdocs-material)

v9.6.18: mkdocs-material-9.6.18

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• Updated Azerbaijani translations
• Fixed last compat issues with minijinja, now 100% compatible

v9.6.17: mkdocs-material-9.6.17

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• Fixed #​8396: Videos do not autoplay when inside a content tab
• Fixed #​8394: Stroke width not effective in Mermaid.js diagrams
• Fixed disappearing version selector when hiding page title

v9.6.16: mkdocs-material-9.6.16

Compare Source

• Fixed #​8349: Info plugin doesn't correctly detect virtualenv in some cases
• Fixed #​8334: Find-in-page detects matches in hidden search result list

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