Merge pull request #151 from scratchfoundation/renovate/react-modal-3.x

fix(deps): update dependency react-modal to v3.16.3

Author: cwillisf

package-lock.json

@@ -85,7 +85,7 @@
     "react-draggable": "3.3.2",
     "react-ga": "2.7.0",
     "react-intl": "2.9.0",
-    "react-modal": "3.16.1",
+    "react-modal": "3.16.3",
     "react-popover": "0.5.10",
     "react-responsive": "5.0.0",
     "react-style-proptype": "3.2.2",