Update Helm release keycloak to v21.4.1

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
keycloak (source)	HelmChart	minor	21.3.1 -> 21.4.1

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Release Notes

bitnami/charts (keycloak)

### [`v21.4.1`](https://togithub.com/bitnami/charts/blob/HEAD/bitnami/keycloak/CHANGELOG.md#2141-2024-06-06) - \[bitnami/keycloak] Release 21.4.1 ([#​26967](https://togithub.com/bitnami/charts/pull/26967)) ### [`v21.4.0`](https://togithub.com/bitnami/charts/blob/HEAD/bitnami/keycloak/CHANGELOG.md#2140-2024-06-06) - \[bitnami/keycloak] Enable PodDisruptionBudgets ([#​26698](https://togithub.com/bitnami/charts/issues/26698)) ([503099e](https://togithub.com/bitnami/charts/commit/503099eea8bc4abee20e571f90a5ce85c2ed7788)), closes [#​26698](https://togithub.com/bitnami/charts/issues/26698) ### [`v21.3.3`](https://togithub.com/bitnami/charts/blob/HEAD/bitnami/keycloak/CHANGELOG.md#small2133-2024-06-05-small) - \[bitnami/keycloak] Bump chart version ([#​26782](https://togithub.com/bitnami/charts/issues/26782)) ([80cd32d](https://togithub.com/bitnami/charts/commit/80cd32d8c7cd97e4648a2ae750fffc75dd526beb)), closes [#​26782](https://togithub.com/bitnami/charts/issues/26782) ### [`v21.3.2`](https://togithub.com/bitnami/charts/blob/HEAD/bitnami/keycloak/CHANGELOG.md#small2132-2024-06-04-small) - \[bitnami/keycloak] Release 21.3.2 ([#​26716](https://togithub.com/bitnami/charts/issues/26716)) ([d049a87](https://togithub.com/bitnami/charts/commit/d049a87ed702cde77028bb760ea558472607d34b)), closes [#​26716](https://togithub.com/bitnami/charts/issues/26716)

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