Introduces some admin API endpoints for Personal Sessions.
- add: Creates a personal session along with its first personal access token, returning both. This is currently the only way to get a personal access token.
- get: Shows the information about a personal session
- list: Shows many personal sessions
- revoke: Revokes a personal session, so it can't be used anymore
- regenerate: Revoke the active personal access token for a session and issue a new one to replace it.
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