BZ-2016270- updated correct image url for must-gather

Author: MirzWeiss

modules/sandboxed-containers-collecting-data.adoc

@@ -24,4 +24,7 @@ These component logs are collected as long as there is at least one pod running
 
 To collect {sandboxed-containers-first} data with `must-gather`, you must specify the
 {sandboxed-containers-first} image:
-`--image=registry.redhat.io/openshift-sandboxed-containers-1.1.0/osc-must-gather:1.1.0`.
+[source,terminal]
+----
+--image=registry.redhat.io/openshift-sandboxed-containers-tech-preview/osc-must-gather-rhel8:1.1.0
+----