fix(donate): allow calls to the API without auth

This is also dependent on 170e3dbf4f

api-server/server/middlewares/request-authorization.js

@@ -25,6 +25,9 @@ const unsubscribedRE = /^\/unsubscribed\//;
 const unsubscribeRE = /^\/u\/|^\/unsubscribe\/|^\/ue\//;
 const updateHooksRE = /^\/hooks\/update-paypal$|^\/hooks\/update-stripe$/;
 
+// note: this would be replaced by webhooks later
+const donateRE = /^\/donate\/charge-stripe$/;
+
 const _whiteListREs = [
   authRE,
   confirmEmailRE,
@@ -37,7 +40,8 @@ const _whiteListREs = [
   statusRE,
   unsubscribedRE,
   unsubscribeRE,
-  updateHooksRE
+  updateHooksRE,
+  donateRE
 ];
 
 export function isWhiteListedPath(path, whiteListREs = _whiteListREs) {