fix(package): update downshift to version 5.2.4

Closes #59

Author: greenkeeper[bot]

package.json

@@ -10,7 +10,7 @@
     "classnames": "^2.2.6",
     "date-fns": "^2.0.0-beta.2",
     "dotenv": "^8.0.0",
-    "downshift": "^3.2.10",
+    "downshift": "^5.2.4",
     "express": "^4.17.1",
     "font-awesome": "4.7.0",
     "moment": "^2.24.0",