build(deps): update dependency typedoc to v0.22.6

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
typedoc (source)	0.22.5 -> 0.22.6

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Release Notes

TypeStrong/TypeDoc

### [`v0.22.6`](https://togithub.com/TypeStrong/TypeDoc/blob/master/CHANGELOG.md#v0226-2021-09-17) [Compare Source](https://togithub.com/TypeStrong/TypeDoc/compare/v0.22.5...v0.22.6) ##### Features - Added support for displaying identifiers & property access expressions in initializers, [#​1730](https://togithub.com/TypeStrong/TypeDoc/issues/1730). - Expanded support for variables tagged with `@enum` to all variables whose property types are string literals, [#​1740](https://togithub.com/TypeStrong/TypeDoc/issues/1740). ##### Bug Fixes - Fixed flash when navigating to a second page when OS theme does not match selected theme, [#​1709](https://togithub.com/TypeStrong/TypeDoc/issues/1709). - Fixed improper quoting of `as const` style enums, [#​1727](https://togithub.com/TypeStrong/TypeDoc/issues/1727). - Fixed handling of `@typeParam` on type aliases, [#​1733](https://togithub.com/TypeStrong/TypeDoc/issues/1733). - Fixed handling of comment tags on function type aliases, [#​1734](https://togithub.com/TypeStrong/TypeDoc/issues/1734). - Paths in warnings about non-exported symbols are now consistently displayed across platforms, [#​1738](https://togithub.com/TypeStrong/TypeDoc/issues/1738). ##### Thanks! - [@​capraynor](https://togithub.com/capraynor) - [@​srmagura](https://togithub.com/srmagura)

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[codecov[bot]]

Codecov Report

Merging #254 (4a8c6ec) into master (39454b4) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #254   +/-   ##
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  Coverage   52.11%   52.11%           
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  Files           5        5           
  Lines         142      142           
  Branches       19       19           
=======================================
  Hits           74       74           
  Misses         60       60           
  Partials        8        8           

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