Merge branch 'utility-airgap' into 'master'

Add BB Utility Image for Airgap

See merge request platform-one/big-bang/bigbang!1806

tests/images.txt

 registry:2
 registry1.dso.mil/ironbank/big-bang/base:1.18.0
+registry1.dso.mil/ironbank/big-bang/utilities:1.0.0
 registry1.dso.mil/ironbank/opensource/kubernetes-1.21/kubectl:v1.21.14
 registry.il2.dso.mil/platform-one/devops/pipeline-templates/pipeline-job/sonar-scanner-dotnet31:4.10
 registry.il2.dso.mil/platform-one/devops/pipeline-templates/pipeline-job/sonar-scanner:4.5.0.2216