chore(deps): update redis docker tag to v21

This MR contains the following updates:

Package	Type	Update	Change
redis (source)	HelmChart	major	20.13.1 -> 21.2.5

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Release Notes

bitnami/charts (redis)

v21.2.5

• [bitnami/redis] Update dependency references (#​34547)

v21.2.4

• [bitnami/redis] Update dependency references (#​34463) (edf1120), closes #​34463

v21.2.3

• [bitnami/redis] Update dependency references (#​34321) (b3b5e16), closes #​34321

v21.2.2

• [bitnami/redis] Redis Helm Chart probes are failing (#​33957) (e83394a), closes #​33957 #​29985 #​29097 #​28744 #​25217

v21.2.1

• [bitnami/redis] Update dependency references (#​34249) (b53c05d), closes #​34249

v21.2.0

• [bitnami/redis] Service Monitor support tlsConfig (#​34108) (7accf94), closes #​34108

v21.1.11

• [bitnami/redis] Update dependency references (#​34013) (a2c4487), closes #​34013

v21.1.10

• [bitnami/redis] Update dependency references (#​33970) (4b2bfc5), closes #​33970

v21.1.9

• [bitnami/redis] Fix newlines in sentinel.conf (#​33704) (1bcd9af), closes #​33704

v21.1.8

• [bitnami/redis] Update dependency references (#​33914) (ee96950), closes #​33914

v21.1.7

• [bitnami/redis] bugfix: issue on ACL when no existing users secret is passed (#​33876) (193fd9f), closes #​33876

v21.1.6

• [bitnami/redis] Update dependency references (#​33825) (9b34897), closes #​33825

v21.1.5

• [bitnami/redis] Update dependency references (#​33790) (2f87f3a), closes #​33790

v21.1.4

• [bitnami/redis] Update dependency references (#​33767) (79cda7f), closes #​33767

v21.1.3

• [bitnami/*] Update CNAB tip (#​33741) (2bc74f3), closes #​33741
• [bitnami/redis] Update dependency references (#​33749) (efd3a00), closes #​33749

v21.1.2

• [bitnami/redis] Update dependency references (#​33732) (51b8b03), closes #​33732

v21.1.1

• [bitnami/redis] Update dependency references (#​34214) (691094e), closes #​34214

v21.0.3

• [bitnami/kubeapps] Deprecation followup (#​33579) (77e312c), closes #​33579
• [bitnami/redis] Update dependency references (#​33645) (9481812), closes #​33645

v21.0.2

• [bitnami/redis] chore: Update common and remove k8s < 1.23 references (#​33428) (98dff1d), closes #​33428

v21.0.0

• [bitnami/redis] Release 21.0.0 (#​33455) (41b5013), closes #​33455

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

v20.13.2

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

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