feat(email): Create verifyAccountChange email template for MFA guard
commit b7f29f0cb9eba5cce75e41b360252eb3483c9d42 Author: MagentaManifold <17zhaomingyuan@gmail.com> Date: Thu Aug 21 17:09:15 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