* Use new fetcher implementation for post/comment
* rewrite person fetch to use new fetcher
* rewrite community to use new fetcher
* rename new_fetcher to dereference_object_id
* make ObjectId a newtype
* handle deletion in new fetcher
* rewrite apub object search to be generic
* move upsert() method out of ApubObject trait
* simplify ObjectId::new (and fix clippy)
* Mark account as bot. Fixes#1357
* Fix clippy
* Federate bot status using actor `type` field
* fix clippy
Co-authored-by: Dessalines <tyhou13@gmx.com>