* fresh indexing feature branch
* cherry pick test
* Revert "cherry pick test"
This reverts commit 2a624220687affdda3de347e30f2011136f64bda.
* set multitenant so that vespa fields match when indexing
* cleanup pass
* mypy
* pass through env var to control celery indexing concurrency
* comments on task kickoff and some logging improvements
* use get_session_with_tenant
* comment out all of update.py
* rename to RedisConnectorIndexingFenceData
* first check num_indexing_workers
* refactor RedisConnectorIndexingFenceData
* comment out on_worker_process_init
* fix where num_indexing_workers falls back
* remove extra brace
