Update Ironbank

This MR contains the following updates:

Package	Update	Change
ironbank/big-bang/sonarqube-9	patch	9.9.3-community -> 9.9.4-community
registry1.dso.mil/ironbank/big-bang/sonarqube-9	patch	9.9.3-community -> 9.9.4-community
registry1.dso.mil/ironbank/opensource/postgres/postgresql12	minor	12.17 -> 12.18

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