fix(deps): update dependencies

Author: csvenke

package.json

@@ -38,11 +38,11 @@
     "report-coverage": "cat ./coverage/lcov.info | coveralls"
   },
   "dependencies": {
-    "prop-types": "15.6.2"
+    "prop-types": "15.7.2"
   },
   "peerDependencies": {
-    "react": "^16.6.3",
-    "react-dom": "^16.6.3"
+    "react": "^16.13.1",
+    "react-dom": "^16.13.1"
   },
   "devDependencies": {
     "@babel/core": "^7.1.6",