chore: update plugins peer deps

Author: antfu

packages/plugin-legacy/package.json

@@ -42,7 +42,7 @@
     "systemjs": "^6.12.1"
   },
   "peerDependencies": {
-    "vite": "^2.8.0"
+    "vite": "^3.0.0-alpha"
   },
   "devDependencies": {
     "vite": "workspace:*",

packages/plugin-react/package.json

@@ -49,7 +49,7 @@
     "resolve": "^1.22.0"
   },
   "peerDependencies": {
-    "vite": "^2.0.0"
+    "vite": "^3.0.0-alpha"
   },
   "devDependencies": {
     "vite": "workspace:*"

packages/plugin-vue-jsx/package.json

@@ -45,7 +45,7 @@
     "vite": "workspace:*"
   },
   "peerDependencies": {
-    "vite": "^2.0.0",
+    "vite": "^3.0.0-alpha",
     "vue": "^3.0.0"
   }
 }

packages/plugin-vue/package.json

@@ -35,7 +35,7 @@
   },
   "homepage": "https://github.com/vitejs/vite/tree/main/packages/plugin-vue#readme",
   "peerDependencies": {
-    "vite": "^2.5.10",
+    "vite": "^3.0.0-alpha",
     "vue": "^3.2.25"
   },
   "devDependencies": {