Draft: Update Ironbank Docker tags to v1.8.12 - autoclosed

This MR contains the following updates:

Package	Update	Change
ironbank/opensource/fluent/fluent-bit	patch	1.8.11 -> 1.8.12
registry1.dso.mil/ironbank/opensource/fluent/fluent-bit	patch	1.8.11 -> 1.8.12

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