chore(deps): update defectdojo/defectdojo-django docker tag to v2.39.0

This MR contains the following updates:

Package	Type	Update	Change
defectdojo/defectdojo-django		minor	2.38.4 -> 2.39.0
defectdojo/defectdojo-django	ironbank-docker	minor	2.38.4 -> 2.39.0
defectdojo/defectdojo-django	stage	minor	2.38.4 -> 2.39.0

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