Update dependency RedisGrafana/grafana-redis-datasource to v2.1.2

This MR contains the following updates:

Package	Type	Update	Change
RedisGrafana/grafana-redis-datasource	ironbank-github	patch	v2.1.1 -> v2.1.2

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Release Notes

RedisGrafana/grafana-redis-datasource

v2.1.2

Compare Source

2.1.2 (2023-06-12)

Bug fixes

• Fix issue connecting to Redis 7 cluster instances (#​284)

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