Update dependencies

package.json

@@ -33,24 +33,24 @@
     "lint": "vue-cli-service lint"
   },
   "dependencies": {
-    "core-js": "^3.3.2",
+    "core-js": "^3.4.5",
     "keycoder": "^1.1.1",
-    "v-click-outside": "^2.1.5",
+    "v-click-outside": "^3.0.0",
     "vue": "^2.6.10"
   },
   "devDependencies": {
-    "@vue/cli-plugin-babel": "^4.0.0",
-    "@vue/cli-plugin-eslint": "^4.0.0",
-    "@vue/cli-plugin-unit-mocha": "^4.0.0",
-    "@vue/cli-service": "^4.0.0",
-    "@vue/test-utils": "1.0.0-beta.29",
+    "@vue/cli-plugin-babel": "^4.1.1",
+    "@vue/cli-plugin-eslint": "^4.1.1",
+    "@vue/cli-plugin-unit-mocha": "^4.1.1",
+    "@vue/cli-service": "^4.1.1",
+    "@vue/test-utils": "1.0.0-beta.30",
     "babel-eslint": "^10.0.3",
-    "chai": "^4.1.2",
+    "chai": "^4.2.0",
     "deep-equal-in-any-order": "^1.0.21",
-    "eslint": "^5.16.0",
-    "eslint-plugin-vue": "^5.0.0",
-    "np": "^5.1.3",
-    "sass": "^1.19.0",
+    "eslint": "^6.7.2",
+    "eslint-plugin-vue": "^6.0.1",
+    "np": "^5.2.1",
+    "sass": "^1.23.7",
     "sass-loader": "^8.0.0",
     "vue-template-compiler": "^2.6.10"
   }