Resolve "Send password expiration notice via email"

What does this MR do and why?

Add feature: send email notification to user when password is about to expire.

• Add Notify.notice_password_expiring_email email method and template.
• Add PasswordExpiration::SendNotificationEmailService to check if password is about to expire and send email.
• Add PasswordExpiration::SendNotificationEmailWorker cron worker.
• Load cron job in JH directory.

The translation part of this MR has been certified by @shuangzhang .

Screenshots or screen recordings

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How to set up and validate locally

1. Enable password expiration feature.

# rails console with STARTER license or above
a = ApplicationSetting.first
a.password_expiration_enabled = true
a.password_expires_notice_before_days = 7
a.password_expires_in_days = 90
a.save
::Feature.enable(:password_expiration)

u = User.first
u.user_detail.password_last_changed_at = 83.days.ago
u.save

2. Change the execution time of the cron work.

# jh/config/schedule.yml
# run every minute
expire_password_worker:
  cron: "* * * * *"
  class: "PasswordExpiration::SendNotificationEmailWorker"

3. gdk restart and visit {gdk}/rails/letter_opener, you will see: ( If it doesn't show up, please wait a few minutes. )

Preview of related email:

{GDK}/rails/mailers/notify/notice_password_expiring_email

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

Closes #1935 (closed)