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
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