Update dependency mkdocstrings to ^0.16.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
mkdocstrings (changelog)	^0.15.0 -> ^0.16.0

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[codecov]

Codecov Report

Merging #22 (ba10c78) into main (ff2094c) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #22   +/-   ##
=======================================
  Coverage   93.91%   93.91%           
=======================================
  Files           8        8           
  Lines        1134     1134           
=======================================
  Hits         1065     1065           
  Misses         69       69           

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