feat(typescript): upgrade default TS version to 3.0

packages/@vue/cli-plugin-typescript/generator/index.js

@@ -9,7 +9,7 @@ module.exports = (api, {
 
   api.extendPackage({
     devDependencies: {
-      typescript: '^2.9.0'
+      typescript: '^3.0.0'
     }
   })
 

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

@@ -36,7 +36,7 @@
     "@types/chai": "^4.1.0",
     "@types/jest": "^23.1.4",
     "@types/mocha": "^5.2.4",
-    "typescript": "^2.9.2",
+    "typescript": "^3.0.0",
     "vue-class-component": "^6.2.0",
     "vue-property-decorator": "^7.0.0"
   }

packages/@vue/eslint-config-typescript/package.json

@@ -22,6 +22,6 @@
   "homepage": "https://github.com/vuejs/vue-cli/packages/@vue/eslint-config-typescript#readme",
   "dependencies": {
     "eslint-plugin-typescript": "^0.12.0",
-    "typescript-eslint-parser": "^16.0.0"
+    "typescript-eslint-parser": "^17.0.1"
   }
 }

yarn.lock

@@ -12056,16 +12056,16 @@ typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
-typescript-eslint-parser@^16.0.0:
-  version "16.0.1"
-  resolved "https://registry.yarnpkg.com/typescript-eslint-parser/-/typescript-eslint-parser-16.0.1.tgz#b40681c7043b222b9772748b700a000b241c031b"
+typescript-eslint-parser@^17.0.1:
+  version "17.0.1"
+  resolved "https://registry.yarnpkg.com/typescript-eslint-parser/-/typescript-eslint-parser-17.0.1.tgz#ddc681a3afa51a9baa6746a001eb5f29fb1365d3"
   dependencies:
     lodash.unescape "4.0.1"
     semver "5.5.0"
 
-typescript@^2.9.2:
-  version "2.9.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.9.2.tgz#1cbf61d05d6b96269244eb6a3bce4bd914e0f00c"
+typescript@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.0.1.tgz#43738f29585d3a87575520a4b93ab6026ef11fdb"
 
 uc.micro@^1.0.1, uc.micro@^1.0.5:
   version "1.0.5"