Update for Vue3 support (brophdawg11#119)

* Remove unneeded dependencies

* Remove router.getMatchedComponents

* Bump 8.0.0-beta.1

package.json

@@ -1,6 +1,6 @@
 {
   "name": "vue-ssr-build",
-  "version": "7.0.0-beta.6",
+  "version": "8.0.0-beta.1",
   "description": "Vue.js SSR Build Helper",
   "author": "[email protected]",
   "license": "MIT",
@@ -24,16 +24,11 @@
     "lodash": "4.17.21",
     "lru-cache": "6.0.0",
     "memory-fs": "0.5.0",
-    "tar": "4.4.8",
-    "vue-server-renderer": "2.6.14",
     "webpack": "5.65.0",
-    "webpack-dev-middleware": "5.2.2",
+    "webpack-dev-middleware": "5.3.0",
     "webpack-hot-middleware": "2.25.1",
     "webpack-hot-server-middleware": "0.6.1"
   },
-  "peerDependencies": {
-    "vue-server-renderer": "2.6.14"
-  },
   "devDependencies": {
     "@babel/eslint-parser": "7.13.4",
     "@babel/preset-env": "7.16.4",