Migrate authors

[beechnut]

Acceptance criteria

Beta Give feedback

1. Authors are moved to a single data file
2. Only renders published authors (checks/updates published status) --> decided it's not worth it to keep this update, only 63 pages, all unlinked
3. Pages continue to render at the correct permalinks
4. Shows other posts by this author
5. "Alumni" is shortened to "alum"
6. Alum attribute is updated with current staff roster (alum attribute is deleted)