chore: update vite requirements in docs and readnme

Author: sheremet-va

README.md

@@ -46,7 +46,7 @@ Next generation testing framework powered by Vite.
 - Out-of-box TypeScript / JSX support
 - Filtering, timeouts, concurrent for suite and tests
 
-> Vitest requires Vite >=v3.0.0 and Node >=v14.18
+> Vitest requires Vite >=v5.0.0 and Node >=v18.00
 
 
 ```ts

docs/guide/index.md

@@ -34,7 +34,7 @@ You can try Vitest online on [StackBlitz](https://vitest.new). It runs Vitest di
 :::
 
 :::tip
-Vitest requires Vite >=v3.0.0 and Node >=v14.18
+Vitest requires Vite >=v5.0.0 and Node >=v18.00
 :::
 
 It is recommended that you install a copy of `vitest` in your `package.json`, using one of the methods listed above. However, if you would prefer to run `vitest` directly, you can use `npx vitest` (the `npx` command comes with npm and Node.js).