chore(deps): update dependency django to v6 #14178

Job	Run time
ci / revisions	1s
ci / build	0s
ci / buildx	-1s
ci / test-novolume	0s
ci / test-localtime	0s
ci / test-basic	0s
ci / test-anubis	0s
ci / Trivy Container Scan	1s
ci / test-split	0s
ci / test-saml	0s
ci / test-single-celery	0s
ci / test-ssl	0s
ci / Anchore Container Scan	1s
ci / Merge images, ${{ inputs.variant }}	1s
ci / Tests, ${{ inputs.variant }}	1s
ci / Lint, ${{ inputs.variant }}	1s
ci / Publish to GitHub, ${{ inputs.variant }}	1s
ci / Publish to Docker Hub, ${{ inputs.variant }}	1s
Create release on GitHub	1s
	8s

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