Remove -beta.2 from vite 6 peerDeps

[birkskyum]

Now that the vite 6 stable is out the -beta in peerDeps isn't necessary anymore

➜ pnpm i -D vite@latest
Already up to date
Progress: resolved 529, reused 478, downloaded 0, added 0, done
 WARN  Issues with peer dependencies found
.
└─┬ vitefu 0.2.5
  └── ✕ unmet peer vite@"^3.0.0 || ^4.0.0 || ^5.0.0": found 6.0.0

Done in 800ms

[birkskyum]

@bluwy , this would help move forward the https://github.com/solidjs/vite-plugin-solid, which depend on vitefu - it's the package in question in the description above

[bluwy]

Thanks!