Update Email Approval Notification Text (CRASM-335)

# 💡 Summary #

Add the following text to the Email Approval Notification.

"After activating your CyHy Dashboard account, you may receive a survey from the CyHy Continuous Improvement Team, within a few weeks, regarding your experience. Please share your feedback, level of satisfaction with the enrollment, onboarding processes, and overall experience. Your input and participation are crucial to shaping the success of the CyHy Dashboard."

## Motivation and context ##

- Informs the user of an upcoming survey where they can offer feedback on their experience(s) with the CyHy Dashboard enrollment process, onboarding, and overall experience.

## Acceptance criteria ##

How do we know when this work is done?

- [ ] The quoted text stated above is included in the Email Approval Notification