fix(package): upgrade deps

Author: sonicoder86

package-lock.json

@@ -18,7 +18,7 @@
     "core-js": "^3.6.5",
     "todomvc-app-css": "^2.3.0",
     "uuid": "^8.1.0",
-    "vue": "^3.0.0-beta.14",
+    "vue": "^3.0.0-beta.15",
     "vuex": "^4.0.0-beta.2"
   },
   "devDependencies": {
@@ -27,7 +27,7 @@
     "@vue/cli-plugin-eslint": "^4.4.1",
     "@vue/cli-plugin-unit-mocha": "^4.4.1",
     "@vue/cli-service": "^4.4.1",
-    "@vue/compiler-sfc": "^3.0.0-beta.14",
+    "@vue/compiler-sfc": "^3.0.0-beta.15",
     "@vue/test-utils": "2.0.0-alpha.3",
     "babel-eslint": "^10.1.0",
     "chai": "^4.2.0",