build(deps): update dependency typedoc to v0.21.7

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
typedoc (source)	0.21.6 -> 0.21.7

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Release Notes

TypeStrong/TypeDoc

### [`v0.21.7`](https://togithub.com/TypeStrong/TypeDoc/releases/v0.21.7) [Compare Source](https://togithub.com/TypeStrong/TypeDoc/compare/v0.21.6...v0.21.7) ##### Features - Support for TypeScript 4.4 ([da04509](https://togithub.com/TypeStrong/typedoc/commit/da04509428cd39dbca429d8a6f5f283322eba120)), closes [#​1664](https://togithub.com/TypeStrong/typedoc/issues/1664)

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[codecov[bot]]

Codecov Report

Merging #213 (38c5ad2) into master (a13fa86) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #213   +/-   ##
=======================================
  Coverage   52.11%   52.11%           
=======================================
  Files           5        5           
  Lines         142      142           
  Branches       19       19           
=======================================
  Hits           74       74           
  Misses         60       60           
  Partials        8        8           

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