Add .trivyignore #1187

Job	Run time
analyze	6m 48s
calc-version	29s
CodeQL-Analyze	7m 42s
integration-test (AcrApi, ef)	3m 20s
integration-test (AcrApi, mongodb)	3m 54s
integration-test (DicomDimseScp, ef)	5m 50s
integration-test (DicomDimseScp, mongodb)	4m 43s
integration-test (DicomDimseScu, ef)	3m 19s
integration-test (DicomDimseScu, mongodb)	3m 52s
integration-test (DicomWebExport, ef)	3m 50s
integration-test (DicomWebExport, mongodb)	3m 22s
integration-test (DicomWebStow, ef)	5m 38s
integration-test (DicomWebStow, mongodb)	5m 22s
integration-test (HealthLevel7, ef)	4m 51s
integration-test (HealthLevel7, mongodb)	4m 26s
integration-test (Fhir, ef)	4m 21s
integration-test (Fhir, mongodb)	3m 48s
unit-test	8m 15s
docs	5m 59s
build (ubuntu-latest)	4m 54s
build (windows-latest)	9m 23s
release	0s
	1h 44m 6s

Provide feedback