Improve e2e tests #86

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Status	Duration	Name
✅ Succeeded	5 seconds	init
✅ Succeeded	15 seconds	clone-repository
✅ Succeeded	10 seconds	prefetch-dependencies
✅ Succeeded	2 minutes	build-container
✅ Succeeded	10 seconds	build-image-index
✅ Succeeded	44 seconds	ecosystem-cert-preflight-checks
✅ Succeeded	12 seconds	sast-snyk-check
✅ Succeeded	6 minutes	clamav-scan
✅ Succeeded	9 seconds	apply-tags
✅ Succeeded	41 seconds	clair-scan
✅ Succeeded	12 seconds	deprecated-base-image-check
✅ Succeeded	8 seconds	push-dockerfile
✅ Succeeded	7 seconds	show-sbom