[FEATURE] Add Birthday Notifications Role

[beanbeanjuice]

Feature Description

Depends on beanbeanjuice/cafeBot-api#126 to be completed.

Add a birthday notification role, so when added, notifies that role that it is someone's birthday.

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Checklist

• I have checked for similar issues.
• This is a feature request, not an improvement request, bug report, or security vulnerability report.