update babel and fix vulnerabilities

.babelrc

@@ -1,4 +1,4 @@
 {
-  "presets": ["env", "react"],
-  "plugins": ["transform-object-rest-spread"]
+  "presets": ["@babel/preset-env", "@babel/preset-react"],
+  "plugins": ["@babel/plugin-proposal-object-rest-spread"]
 }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "feather-icons-react",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "description": "Feather Icons as a React component.",
   "main": "build/index.js",
   "scripts": {
@@ -27,11 +27,12 @@
   },
   "homepage": "https://github.com/ianmiller347/feather-icons-react#readme",
   "devDependencies": {
-    "babel-cli": "^6.26.0",
-    "babel-core": "^6.26.3",
-    "babel-eslint": "^8.2.3",
-    "babel-plugin-transform-object-rest-spread": "^6.26.0",
-    "babel-preset-react": "^6.24.1",
+    "@babel/cli": "^7.2.3",
+    "@babel/core": "^7.3.4",
+    "@babel/plugin-proposal-object-rest-spread": "^7.3.4",
+    "@babel/preset-env": "^7.3.4",
+    "@babel/preset-react": "^7.0.0",
+    "babel-eslint": "^10.0.1",
     "eslint": "^4.19.1",
     "eslint-plugin-import": "^2.12.0",
     "eslint-plugin-jsx-a11y": "^6.0.3",
@@ -39,11 +40,9 @@
     "eslint-watch": "^3.1.5",
     "prop-types": "^15.6.1",
     "react": "^16.4.1",
-    "react-dom": "^16.4.1",
-    "react-scripts": "^1.1.4"
+    "react-dom": "^16.4.1"
   },
   "dependencies": {
-    "babel-preset-env": "^1.7.0",
     "dompurify": "^1.0.5",
     "jsdom": "^12.0.0"
   }