Update Helm release keycloak to v21.4.4

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
keycloak (source)	HelmChart	patch	21.4.1 -> 21.4.4

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Release Notes

bitnami/charts (keycloak)

### [`v21.4.4`](https://togithub.com/bitnami/charts/blob/HEAD/bitnami/keycloak/CHANGELOG.md#2144-2024-06-18) - \[bitnami/keycloak] fix Keycloak HTTP schema for edge proxy mode ([#​27436](https://togithub.com/bitnami/charts/pull/27436)) ### [`v21.4.3`](https://togithub.com/bitnami/charts/blob/HEAD/bitnami/keycloak/CHANGELOG.md#small2143-2024-06-18-small) - \[bitnami/keycloak] Release 21.4.3 ([#​27361](https://togithub.com/bitnami/charts/issues/27361)) ([31f011c](https://togithub.com/bitnami/charts/commit/31f011cb89e56bd33db8e51a9e42f7cc533dcc14)), closes [#​27361](https://togithub.com/bitnami/charts/issues/27361) ### [`v21.4.2`](https://togithub.com/bitnami/charts/blob/HEAD/bitnami/keycloak/CHANGELOG.md#small2142-2024-06-17-small) - \[bitnami/keycloak] Release 21.4.2 ([#​27237](https://togithub.com/bitnami/charts/issues/27237)) ([2b574d0](https://togithub.com/bitnami/charts/commit/2b574d09f54adb8a9175775e6c90c7a3befa9395)), closes [#​27237](https://togithub.com/bitnami/charts/issues/27237)

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