bump(deps): update dependency vite-plugin-node-polyfills to ^0.21.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
vite-plugin-node-polyfills	^0.19.0 -> ^0.21.0

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Release Notes

davidmyersdev/vite-plugin-node-polyfills (vite-plugin-node-polyfills)

### [`v0.21.0`](https://togithub.com/davidmyersdev/vite-plugin-node-polyfills/releases/tag/v0.21.0) [Compare Source](https://togithub.com/davidmyersdev/vite-plugin-node-polyfills/compare/v0.20.0...v0.21.0) - fix: Make sure all modules under `buffer` are exported ### [`v0.20.0`](https://togithub.com/davidmyersdev/vite-plugin-node-polyfills/releases/tag/v0.20.0) [Compare Source](https://togithub.com/davidmyersdev/vite-plugin-node-polyfills/compare/v0.19.0...v0.20.0) - Fix global polyfill import error ([#​74](https://togithub.com/davidmyersdev/vite-plugin-node-polyfills/issues/74))

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