COO-1730: Bump observability-operator default presubmit config to OCP 4.21#76518

openshift-merge-bot[bot] merged 1 commit intoopenshift:mainopenshift/release:mainfrom

DavidRajnoha:rhobs-obo-bump-ocp-4.21DavidRajnoha/openshift-release:rhobs-obo-bump-ocp-4.21Copy head branch name to clipboard