Try using redis streams instead of rabbitmq for spark

[amCap1712]

Discuss creating a separate redis instance with maxmemory no save eviction policy to limit message build up in memory.

[pep8speaks]

Hello @amCap1712! Thanks for opening this PR. We checked the lines you've touched for PEP 8 issues, and found:

• In the file listenbrainz/spark/tests/test_request_manage.py:

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