chore(deps): update babel monorepo

package.json

@@ -82,12 +82,12 @@
     "react-helmet": "^5.2.1"
   },
   "devDependencies": {
-    "@babel/core": "7.7.7",
-    "@babel/plugin-proposal-class-properties": "7.7.4",
-    "@babel/plugin-proposal-optional-chaining": "7.7.5",
-    "@babel/plugin-transform-flow-strip-types": "^7.7.4",
-    "@babel/preset-env": "7.7.7",
-    "@babel/preset-react": "7.7.4",
+    "@babel/core": "7.8.0",
+    "@babel/plugin-proposal-class-properties": "7.8.0",
+    "@babel/plugin-proposal-optional-chaining": "7.8.0",
+    "@babel/plugin-transform-flow-strip-types": "^7.8.0",
+    "@babel/preset-env": "7.8.2",
+    "@babel/preset-react": "7.8.0",
     "autoprefixer": "9.7.3",
     "babel-core": "7.0.0-bridge.0",
     "babel-eslint": "10.0.3",