chore(deps): update redis docker tag to v20.13.1

This MR contains the following updates:

Package	Type	Update	Change
redis (source)	HelmChart	minor	20.11.5 -> 20.13.1

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Release Notes

bitnami/charts (redis)

v20.13.1

• [bitnami/redis] Release 20.13.1 (#​33089)

v20.13.0

• [bitnami/redis] feat: ✨ Disable empty-dirs when readOnlyRootFS is disabled (#​33108) (ed03d4d), closes #​33108

v20.12.2

• [bitnami/redis] fix 32573 - Always announce hostname independent of external service configuration ( (282ae5c), closes #​33024

v20.12.1

• [bitnami/redis] Fix sentinel masterService extraPorts not rendered (#​32961) (cbc134f), closes #​32961

v20.12.0

• [bitnami/redis] Support retrieving Redis ACL user passwords from Kubernetes Secrets (#​32434) (e4fd127), closes #​32434

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