chore(deps): update ironbank docker tags to v1.9.3

This MR contains the following updates:

Package	Update	Change
ironbank/opensource/fluent/fluent-bit	minor	1.8.13 -> 1.9.3
registry1.dso.mil/ironbank/opensource/fluent/fluent-bit	minor	1.8.13 -> 1.9.3

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