Update bitnami/mysql Docker tag to v9

This MR contains the following updates:

Package	Type	Update	Change
bitnami/mysql		major	8.0.39-debian-12-r1 -> 9.0.1-debian-12-r1
bitnami/mysql	ironbank-docker	major	8.0.39-debian-12-r1 -> 9.0.1-debian-12-r1
bitnami/mysql	stage	major	8.0.39-debian-12-r1 -> 9.0.1-debian-12-r1

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