Update dependency neovim to v5.2.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
neovim	5.2.0 -> 5.2.1

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Release Notes

neovim/node-client (neovim)

### [`v5.2.1`](https://redirect.github.com/neovim/node-client/blob/HEAD/CHANGELOG.md#521) [Compare Source](https://redirect.github.com/neovim/node-client/compare/v5.2.0...v5.2.1) - fix(logger): console.assert() throws exception

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Configuration

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