Update dependency typedoc to v0.22.18

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
typedoc (source)	0.22.17 -> 0.22.18

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Release Notes

TypeStrong/TypeDoc

### [`v0.22.18`](https://togithub.com/TypeStrong/TypeDoc/blob/HEAD/CHANGELOG.md#v02218-2022-06-25) [Compare Source](https://togithub.com/TypeStrong/TypeDoc/compare/v0.22.17...v0.22.18) ##### Features - Relaxed restrictions on `@enum` style enums to also permit non-literal strings and numbers, [#​1956](https://togithub.com/TypeStrong/TypeDoc/issues/1956). ##### Bug Fixes - `searchGroupBoosts` was only computing the boost for the first reflection in a group, [#​1958](https://togithub.com/TypeStrong/TypeDoc/issues/1958). ##### Thanks! - [@​shmax](https://togithub.com/shmax) - [@​Zamiell](https://togithub.com/Zamiell)

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