Draft: Update Redis Docker tags

This MR contains the following updates:

Package	Update	Change
docker.io/bitnami/redis-sentinel	patch	6.2.2-debian-10-r2 -> 6.2.6-debian-10-r2
ironbank/bitnami/analytics/redis-exporter	minor	1.18.0 -> 1.29.0
ironbank/bitnami/redis	patch	6.2.2 -> 6.2.5
registry1.dso.mil/ironbank/bitnami/analytics/redis-exporter	minor	1.18.0 -> 1.29.0
registry1.dso.mil/ironbank/bitnami/redis	patch	6.2.2 -> 6.2.5

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