Update sonarqube Docker tag

This MR contains the following updates:

Package	Type	Update	Change
sonarqube	ironbank-docker	minor	9.3.0-developer -> 9.4.0-developer
sonarqube		minor	9.3.0-developer -> 9.4.0-developer
sonarqube		minor	9.3-developer -> 9.4-developer
sonarqube	stage	minor	9.3.0-developer -> 9.4.0-developer

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