Bump version for release 0.12.0 #875

Job	Run time
Service Tests	4m 30s
docs	30s
Python 3.9 - redis-py 5.x [redis latest]	3m 1s
Python 3.9 - redis-py 5.x [redis 8.0.2]	2m 42s
Python 3.9 - redis-py 6.x [redis 6.2.6-v9]	2m 23s
Python 3.9 - redis-py 5.x [redis 6.2.6-v9]	2m 5s
Python 3.9 - redis-py 6.x [redis latest]	4m 42s
Python 3.9 - redis-py 6.x [redis 8.0.2]	2m 19s
Python 3.10 - redis-py 6.x [redis 6.2.6-v9]	2m 33s
Python 3.10 - redis-py 5.x [redis 6.2.6-v9]	2m 21s
Python 3.10 - redis-py 5.x [redis latest]	2m 47s
Python 3.10 - redis-py 6.x [redis latest]	4m 18s
Python 3.10 - redis-py 6.x [redis 8.0.2]	2m 21s
Python 3.12 - redis-py 6.x [redis 6.2.6-v9]	2m 27s
Python 3.12 - redis-py 5.x [redis 6.2.6-v9]	2m 9s
Python 3.12 - redis-py 5.x [redis 8.0.2]	2m 39s
Python 3.12 - redis-py 5.x [redis latest]	2m 37s
Python 3.10 - redis-py 5.x [redis 8.0.2]	2m 15s
Python 3.12 - redis-py 6.x [redis latest]	4m 25s
Python 3.13 - redis-py 5.x [redis 6.2.6-v9]	2m 26s
Python 3.13 - redis-py 6.x [redis 8.0.2]	2m 18s
Python 3.13 - redis-py 6.x [redis latest]	5m 15s
Python 3.12 - redis-py 6.x [redis 8.0.2]	2m 39s
Python 3.13 - redis-py 5.x [redis latest]	2m 46s
Python 3.13 - redis-py 6.x [redis 6.2.6-v9]	2m 31s
Python 3.13 - redis-py 5.x [redis 8.0.2]	2m 13s
	1h 13m 12s

Provide feedback