feat(helm): update chart redis to 19.6.4

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
redis (source)	minor	19.5.2 -> 19.6.4

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[!WARNING] Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

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Release Notes

bitnami/charts (redis)

### [`v19.6.4`](https://togithub.com/bitnami/charts/blob/HEAD/bitnami/redis/CHANGELOG.md#1964-2024-07-25) - \[bitnami/redis] Release 19.6.4 ([#​28499](https://togithub.com/bitnami/charts/pull/28499)) ### [`v19.6.3`](https://togithub.com/bitnami/charts/blob/HEAD/bitnami/redis/CHANGELOG.md#1963-2024-07-24) - \[bitnami/redis] Release 19.6.3 ([#​28365](https://togithub.com/bitnami/charts/pull/28365)) ### [`v19.6.2`](https://togithub.com/bitnami/charts/blob/HEAD/bitnami/redis/CHANGELOG.md#1962-2024-07-16) - \[bitnami/redis] Global StorageClass as default value ([#​28089](https://togithub.com/bitnami/charts/pull/28089)) ### [`v19.6.1`](https://togithub.com/bitnami/charts/blob/HEAD/bitnami/redis/CHANGELOG.md#1961-2024-07-03) - \[bitnami/redis] Release 19.6.1 ([#​27712](https://togithub.com/bitnami/charts/pull/27712)) ### [`v19.6.0`](https://togithub.com/bitnami/charts/blob/HEAD/bitnami/redis/CHANGELOG.md#1960-2024-06-24) - \[bitnami/redis] Allow setting revisionHistoryLimit ([#​27498](https://togithub.com/bitnami/charts/pull/27498)) ### [`v19.5.5`](https://togithub.com/bitnami/charts/blob/HEAD/bitnami/redis/CHANGELOG.md#1955-2024-06-18) - \[bitnami/redis] Release 19.5.5 ([#​27411](https://togithub.com/bitnami/charts/pull/27411)) ### [`v19.5.4`](https://togithub.com/bitnami/charts/blob/HEAD/bitnami/redis/CHANGELOG.md#small1954-2024-06-17-small) - \[bitnami/redis] Release 19.5.4 ([#​27277](https://togithub.com/bitnami/charts/issues/27277)) ([fe4c932](https://togithub.com/bitnami/charts/commit/fe4c932de4fec2aefd4d56dd9d0145c0bd76cc15)), closes [#​27277](https://togithub.com/bitnami/charts/issues/27277) ### [`v19.5.3`](https://togithub.com/bitnami/charts/blob/HEAD/bitnami/redis/CHANGELOG.md#1953-2024-06-12) - \[bitnami/redis] Fix sentinel PDB condition ([#​27080](https://togithub.com/bitnami/charts/pull/27080))

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