Update registry1.dso.mil/ironbank/opensource/python Docker tag to v3.12.2

This MR contains the following updates:

Package	Type	Update	Change
registry1.dso.mil/ironbank/opensource/python	ironbank-base	minor	v3.11.8 -> v3.12.2
registry1.dso.mil/ironbank/opensource/python	final	minor	v3.11.8 -> v3.12.2

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