fix(AccountInvitation.hbs): add discord link to text for display

Author: brarsanmol

assets/email/AccountInvitation.hbs

@@ -396,7 +396,7 @@
                                                 McHacks Discord server and opening ceremonies will begin at 7:00 pm. Be
                                                 sure to get set up on the McHacks Discord server at <a
                                                     href="https://discord.gg/XVSdW9pc"
-                                                    style="-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%;color:#F2463A;text-decoration:none;">https://discord.gg/g4Pya8jcxM</a>
+                                                    style="-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%;color:#F2463A;text-decoration:none;">https://discord.gg/XVSdW9pc</a>
                                                 and contact your coordinator to set up your server roles.
                                                 <br><br>
                                                 Get access to the sponsor dashboard by clicking on the button below.