Bump mkdocs-material to v9.6.16

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
mkdocs-material (changelog)	==9.6.15 -> ==9.6.16

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Release Notes

squidfunk/mkdocs-material (mkdocs-material)

v9.6.16

Compare Source

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 0.00%. Comparing base (f7e5a1c) to head (72ec3c2).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@    Coverage Diff     @@
##   main   #69   +/-   ##
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