Update Ironbank

This MR contains the following updates:

Package	Update	Change
ironbank/big-bang/sonarqube-9	patch	9.9.0-community -> 9.9.1-community
registry1.dso.mil/ironbank/big-bang/sonarqube-9	patch	9.9.0-community -> 9.9.1-community
registry1.dso.mil/ironbank/bitnami/postgres-exporter	minor	0.11.1 -> 0.12.0
registry1.dso.mil/ironbank/opensource/postgres/postgresql12	minor	12.14 -> 12.15

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relates to: #60 (closed)