Update Emoji Set to support Unicode 15.1
### Problem to solve
Use of Up-to-date Emoji in GitLab
### Intended users
Everyone
### Further details
Users will be able to use more emojis :tada:
### What does success look like, and how can we measure that?
For example use the teacher emoji 👨🏫 correctly instead of a man and a house.
### Links / references
https://docs.gitlab.com/ee/development/fe_guide/emojis.html#how-to-update-emojis
issue