chore(deps): update helm release redis to v20.13.4

[renovate]

This PR contains the following updates:

Package	Update	Change
redis (source)	minor	20.12.2 → 20.13.4

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Release Notes

bitnami/charts (redis)

v20.13.4

• [bitnami/redis] Release 20.13.3 (#​33217) (f2b8c65), closes #​33217
• [bitnami/redis] Switch shell from /bin/sh to /bin/bash to improve process handling (#​33181) (cfe2165), closes #​33181

v20.13.3

• [bitnami/redis] Release 20.13.3 (#​33217) (f2b8c65), closes #​33217
• [bitnami/redis] Switch shell from /bin/sh to /bin/bash to improve process handling (#​33181) (cfe2165), closes #​33181

v20.13.2

• [bitnami/redis] Release 20.13.2 (#​33157) (98a2ec9), closes #​33157

v20.13.1

• [bitnami/redis] Release 20.13.1 (#​33089) (f23fc62), closes #​33089

v20.13.0

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

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