RPUSHX does not support multiple elements

[stuppie]

RPUSHX allows multiple elements, but the redis-py call only accepts a single value (source).

LPUSHX does accept multiple values, so I don't think there was any sort of technical limitation for supporting this? (source)

Version: redis-py: 5.0.0 redis 5.0.7

Platform: Python 3.9.18

Description: See above

related PR: #1559