Change in must-gather image

Author: RichardHoch

backup_and_restore/application_backup_and_restore/troubleshooting.adoc

@@ -7,7 +7,7 @@ include::_attributes/common-attributes.adoc[]
 :namespace: openshift-adp
 :local-product: OADP
 :velero-domain: velero.io
-:must-gather: registry.access.redhat.com/oadp-operator/oadp-must-gather-rhel8:v1.0
+:must-gather: registry.redhat.io/oadp/oadp-mustgather-rhel8:v1.0
 
 toc::[]