fix: fix type error about webpack compiler

Author: baiwusanyu-c

packages/core/index.ts

@@ -20,7 +20,7 @@ import {
 } from './runtime/webpack'
 import type { TMatchVariable } from './parser'
 import type { IVueCSSVarsCtx, Options } from './types'
-
+import type { Compiler } from 'webpack'
 const unplugin = createUnplugin<Options>(
   (options: Options = {}, meta): any => {
     const userOptions = initOption(options)
@@ -88,7 +88,7 @@ const unplugin = createUnplugin<Options>(
         // handle hmr with vite
         vite: vitePlugin(context),
         // handle hmr with webpack
-        webpack(compiler) {
+        webpack(compiler: Compiler) {
           webpackPlugin(context, compiler)
         },
       },

packages/core/runtime/webpack.ts

@@ -5,7 +5,7 @@ import { handleVBindVariable } from './handle-variable'
 import { handleInjectCss } from './handle-inject-css'
 import type { IVueCSSVarsCtx } from '../types'
 import type { MagicStringBase } from 'magic-string-ast'
-
+import type { Compiler } from 'webpack'
 // TODO: unit test
 export function transformPreWebpack(
   id: string,
@@ -48,7 +48,7 @@ export function transformPostWebpack(
 }
 
 // TODO: unit test
-export const webpackPlugin = (ctx: IVueCSSVarsCtx, compiler: any) => {
+export const webpackPlugin = (ctx: IVueCSSVarsCtx, compiler: Compiler) => {
   // mark webpack hmr
   let modifiedFile = ''
   compiler.hooks.watchRun.tapAsync(NAME, (compilation1, watchRunCallBack) => {