fix(deps): update dependency @nuxtjs/composition-api to v0.29.3

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@nuxtjs/composition-api	0.29.2 -> 0.29.3

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Release Notes

nuxt-community/composition-api

### [`v0.29.3`](https://togithub.com/nuxt-community/composition-api/blob/master/CHANGELOG.md#​0293-httpsgithubcomnuxt-communitycomposition-apicompare02920293-2021-10-11) [Compare Source](https://togithub.com/nuxt-community/composition-api/compare/0.29.2...0.29.3)

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