chore(deps): update redis docker tag to v20.6.3

This MR contains the following updates:

Package	Type	Update	Change
redis (source)	HelmChart	patch	20.6.2 -> 20.6.3

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Release Notes

bitnami/charts (redis)

v20.6.3

• [bitnami/redis] fix: update JSON schema to allow string values for values passed to tpl (#​30526)

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