Update sonarqube Docker tag to v9.1

This MR contains the following updates:

Package	Type	Update	Change
sonarqube	ironbank-docker	minor	9.0-datacenter-app -> 9.1-datacenter-app
sonarqube		minor	9.0-datacenter-app -> 9.1-datacenter-app
sonarqube	stage	minor	9.0-datacenter-app -> 9.1-datacenter-app

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