fix(deps): update dependency io-ts to v2.2.21

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
io-ts	2.2.20 -> 2.2.21

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Release Notes

gcanti/io-ts (io-ts)

### [`v2.2.21`](https://togithub.com/gcanti/io-ts/blob/HEAD/CHANGELOG.md#2221) [Compare Source](https://togithub.com/gcanti/io-ts/compare/2.2.20...0a0b0c3a4e8f88b00a4825586fb661ceef58e659) - **Bug Fix** - Handle `record` keys outside `domain`, [#​705](https://togithub.com/gcanti/io-ts/issues/705) ([@​tgfisher4](https://togithub.com/tgfisher4))

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