FIXUP: use vite plugin type

Author: vio

src/types.ts

@@ -1,5 +1,5 @@
 import type { Plugin as RollupPlugin, OutputOptions as RollupOutputOptions } from 'rollup';
 import type { Plugin as VitePlugin } from 'vite';
 
-export type Plugin = RollupPlugin | VitePlugin;
+export type Plugin = VitePlugin;
 export type OutputOptions = RollupOutputOptions;