Update bitnami/git Docker tag

This MR contains the following updates:

Package	Type	Update	Change
bitnami/git	ironbank-docker	minor	2.39.2-debian-11-r8 -> 2.42.0-debian-11-r8
bitnami/git		minor	2.39.2 -> 2.42.1
bitnami/git	stage	minor	2.39.2-debian-11-r8 -> 2.42.0-debian-11-r8

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