Optimize integration tests with parallel execution and improved cover… #1

Job	Run time
scan Docker Image with Trivy	2m 52s
unit-tests	36m 53s
lint	5m 5s
integration-tests (advanced-features)	19m 29s
integration-tests (scan-engines)	36m 2s
govulncheck	2m 31s
integration-tests (scm-integration)	7m 18s
integration-tests (scan-core)	24m 9s
integration-tests (fast-validation)	5m 55s
integration-tests (realtime-features)	5m 59s
merge-coverage	24s
	2h 26m 37s

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