Update Helm release mariadb to v18.2.4

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
mariadb (source)	patch	18.2.2 -> 18.2.4

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Release Notes

bitnami/charts (mariadb)

### [`v18.2.4`](https://togithub.com/bitnami/charts/blob/HEAD/bitnami/mariadb/CHANGELOG.md#1824-2024-06-18) - \[bitnami/mariadb] Release 18.2.4 ([#​27375](https://togithub.com/bitnami/charts/pull/27375)) ### [`v18.2.3`](https://togithub.com/bitnami/charts/blob/HEAD/bitnami/mariadb/CHANGELOG.md#1823-2024-06-17) - \[bitnami/mariadb] Release 18.2.3 ([#​27243](https://togithub.com/bitnami/charts/pull/27243))

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Configuration

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