fix(deps): update dependency netlify-cli to v3.21.2

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
netlify-cli	3.21.0 -> 3.21.2

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Release Notes

netlify/cli

### [`v3.21.2`](https://togithub.com/netlify/cli/blob/master/CHANGELOG.md#​3212-httpswwwgithubcomnetlifyclicomparev3211v3212-2021-04-21) [Compare Source](https://togithub.com/netlify/cli/compare/v3.21.1...v3.21.2) ### [`v3.21.1`](https://togithub.com/netlify/cli/blob/master/CHANGELOG.md#​3211-httpswwwgithubcomnetlifyclicomparev3210v3211-2021-04-20) [Compare Source](https://togithub.com/netlify/cli/compare/v3.21.0...v3.21.1)

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