RHDEVDOCS-3185 Update release notes OpenShift Logging 5.1.1
RHDEVDOCS-3185 Update release notes OpenShift Logging 5.1.1

vikram-redhat/openshift-docs,vikram-redhat/openshift-docs,vikram-redhat/openshift-docs,vikram-redhat/openshift-docs,vikram-redhat/openshift-docs