Bug 1901192

[sig-builds][Feature:Builds][valueFrom] process valueFrom in build strategy environment variables should successfully resolve valueFrom in docker build environment variables [sig-instrumentation][sig-builds][Feature:Builds] Prometheus when installed on the cluster should start and expose a secured proxy and verify build metrics [sig-builds][Feature:Builds] build can reference a cluster service with a build being created from new-build should be able to run a build that references a cluster service [sig-builds][Feature:Builds] Optimized image builds should succeed [sig-builds][Feature:Builds] s2i build with a root user image should create a root build and pass with a privileged SCC [sig-builds][Feature:Builds] prune builds based on settings in the buildconfig should prune completed builds based on the successfulBuildsHistoryLimit setting [sig-builds][Feature:Builds] Multi-stage image builds should succeed