Update dependency vite to v2.8.6 (develop)

This MR contains the following updates:

Package	Type	Update	Change
vite	devDependencies	patch	2.8.5 -> 2.8.6

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Release Notes

vitejs/vite

v2.8.6

Compare Source

Bug Fixes

• revert #​7052, hmr style tag no support in html (#​7136) (5c116ec)
• throw Error when can't preload CSS (#​7108) (d9f8edb)

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