feat(email): Create verifyAccountChange email template for MFA guard
commit f249cf8cbfff03a149214afb96dc6254751c9ed0 Author: MagentaManifold <17zhaomingyuan@gmail.com> Date: Thu Aug 21 17:38:54 2025 -0400 feat(email): Create verifyAccountChange email template for MFA guard Because: * We need to send emails to verify a change in account settings via code This commit: * creates verifyAccountChange email template Closes #FXA-12221