Website: update create-or-update-one-newsletter-subscription action (#35627)

Closes: https://github.com/fleetdm/confidential/issues/13025

Changes:
- Updated the emailAddress input of the
create-or-update-one-newsletter-subscription action to use `isEmail`
validation

website/api/controllers/create-or-update-one-newsletter-subscription.js

@@ -10,6 +10,7 @@ module.exports = {
   inputs: {
     emailAddress: {
       type: 'string',
+      isEmail: true,
       required: true,
     },
 

website/api/controllers/deliver-contact-form-message.js

@@ -130,7 +130,7 @@ Fleet Premium subscription details:
         sails.log.warn(`Background task failed: When a user submitted a contact form message, a contact/account/historical event could not be created/updated in the CRM for this email address: ${emailAddress}.`, err);
       }
       return;
-    });
+    });//_∏_
 
   }