update dev dependencies

package.json

@@ -32,23 +32,23 @@
     "@babel/preset-env": "^7.4.5",
     "@babel/preset-stage-2": "^7.0.0",
     "@babel/runtime": "^7.4.5",
-    "audit-ci": "^2.0.0",
+    "audit-ci": "^2.0.1",
     "autoprefixer": "^9.6.0",
     "babel-core": "^7.0.0-bridge.0",
     "babel-eslint": "^10.0.1",
     "babel-jest": "^24.7.1",
     "babel-loader": "^8.0.6",
-    "browser-sync": "^2.26.5",
+    "browser-sync": "^2.26.7",
     "connect-history-api-fallback": "^1.6.0",
     "copy-webpack-plugin": "^5.0.3",
-    "css-loader": "^2.1.0",
+    "css-loader": "^3.0.0",
-    "dart-sass": "^1.20.3",
+    "dart-sass": "^1.21.0",
     "eslint": "^5.16.0",
     "eslint-config-airbnb-base": "^13.0.0",
     "eslint-plugin-html": "^5.0.5",
     "eslint-plugin-import": "^2.17.3",
     "eslint-plugin-vue": "5.2.2",
-    "file-loader": "^3.0.1",
+    "file-loader": "^4.0.0",
     "fuse.js": "^3.4.5",
     "glob": "^7.1.4",
     "html-webpack-plugin": "^3.2.0",
@@ -56,16 +56,16 @@
     "http-server": "^0.11.1",
     "imagemin-webpack-plugin": "^2.4.2",
     "jest": "^24.7.1",
-    "lerna": "^3.14.1",
+    "lerna": "^3.15.0",
     "mini-css-extract-plugin": "^0.7.0",
     "minimist": "^1.2.0",
     "optimize-css-assets-webpack-plugin": "^5.0.1",
     "ora": "^3.4.0",
-    "postcss": "^7.0.14",
+    "postcss": "^7.0.17",
     "postcss-loader": "^3.0.0",
     "postcss-scss": "^2.0.0",
     "regenerator-runtime": "^0.13.2",
-    "rollup": "^1.13.1",
+    "rollup": "^1.15.1",
     "rollup-plugin-babel": "^4.3.2",
     "rollup-plugin-commonjs": "^10.0.0",
     "rollup-plugin-css-only": "^1.0.0",
@@ -76,7 +76,7 @@
     "sass-loader": "^7.0.3",
     "style-loader": "^0.23.1",
     "terser": "^4.0.0",
-    "tippy.js": "^4.3.3",
+    "tippy.js": "^4.3.4",
     "vue": "^2.6.10",
     "vue-loader": "^15.7.0",
     "vue-router": "^3.0.6",