Update docker.io/squidfunk/mkdocs-material Docker tag to v9.5.16

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
docker.io/squidfunk/mkdocs-material	final	patch	9.5.15 -> 9.5.16

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Release Notes

squidfunk/mkdocs-material (docker.io/squidfunk/mkdocs-material)

v9.5.16: mkdocs-material-9.5.16

Compare Source

• Updated Russian translations
• Improved error handling and reporting in social plugin
• Improved error handling and reporting in privacy plugin
• Fixed blog plugin not allowing to use time in format strings
• Fixed #​6983: Social plugin crashes because of Google Fonts API change

Thanks to @​kamilkrzyskow, @​Guts, @​szg-alex-payne and @​natakazakova for their contributions

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