Migrate from aioredis to redis-py with asyncio support (#233)

* Migrate from aioredis to redis with asyncio support

Add test for redis type
Fix imports from wrong module (for tests_sync)

* fixing merge conflicts and up to dating the lock file

Co-authored-by: Chayim I. Kirshen <c@kirshen.com>

aredis_om/__init__.py

@@ -1,3 +1,4 @@
+from .async_redis import redis  # isort:skip
 from .checks import has_redis_json, has_redisearch
 from .connections import get_redis_connection
 from .model.migrations.migrator import MigrationError, Migrator