feat(container): update image redis to v20.6.1

[renovate]

This PR contains the following updates:

Package	Update	Change
redis (source)	minor	20.2.1 -> 20.6.1

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Release Notes

bitnami/charts (redis)

v20.6.1

• [bitnami/redis] Release 20.6.1 (#​31138)

v20.6.0

• [bitname/redis] Add support for master and replicas resources to be annotated (#​31034)

v20.5.0

• [bitnami/redis] Detect non-standard images (#​30942)

v20.4.1

• [bitnami/redis] CA shouldn't be mandatory when TLS is enabled (#​30520) (85219eb), closes #​30520

v20.4.0

• [bitnami/*] docs: 📝 Add "Prometheus metrics" (batch 5) (#​30674) (ed2a546), closes #​30674
• [bitnami/redis] add extraPortsEnabled (#​30607) (77a98fa), closes #​30607

v20.3.0

• [bitnami/redis] feat: ✨ Allow updating credentials via values.yaml (#​30452) (d6a3118), closes #​30452

v20.2.2

• [bitnami/*] Remove wrong comment about imagePullPolicy (#​30107) (a51f9e4), closes #​30107
• [bitnami/redis] Release 20.2.2 (#​30407) (ae54e98), closes #​30407
• Update documentation links to techdocs.broadcom.com (#​29931) (f0d9ad7), closes #​29931

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