fix(typescript): add missing optional peer dependency vue-template-compiler

Author: merceyz

packages/@vue/cli-plugin-typescript/package.json

@@ -38,11 +38,15 @@
   "peerDependencies": {
     "@vue/cli-service": "^3.0.0 || ^4.0.0 || ^5.0.0-0",
     "@vue/compiler-sfc": "^3.0.0-beta.14",
+    "vue-template-compiler": "^2.0.0",
     "typescript": ">=2"
   },
   "peerDependenciesMeta": {
     "@vue/compiler-sfc": {
       "optional": true
+    },
+    "vue-template-compiler": {
+      "optional": true
     }
   },
   "devDependencies": {