chore: Update base image version

Signed-off-by: Oliver Gondža <ogondza@gmail.com>

Author: olivergondza

.konflux/Containerfile.plugin

@@ -13,24 +13,25 @@
 # limitations under the License.
 #
 # ------------------------------------------------------------------------
-FROM registry.redhat.io/openshift4/ose-must-gather:v4.15.0
+FROM registry.redhat.io/openshift4/ose-must-gather-rhel9:v4.16.0
 
 LABEL \
     name="openshift-gitops-1/must-gather-rhel8" \
     License="Apache 2.0" \
     com.redhat.component="openshift-gitops-must-gather-container" \
-    com.redhat.delivery.appregistry="false" \ 
+    com.redhat.delivery.appregistry="false" \
     upstream-vcs-type="git" \
     summary="OpenShift GitOps Must Gather" \
     maintainer="William Tam <wtam@redhat.com>" \
     io.k8s.display-name="Red Hat OpenShift GitOps Must Gather"\
     io.openshift.tags="openshift,gitops-operator, must-gather" \
     io.openshift.maintainer.product="Red Hat OpenShift GitOps" \
-    io.openshift.maintainer.component="William Tam <wtam@redhat.com>"  
+    io.openshift.maintainer.component="William Tam <wtam@redhat.com>"
 
 # Save original gather script
 RUN mv /usr/bin/gather /usr/bin/gather_original
 
+# Use our gather script in place of the original one
 COPY gather_gitops.sh /usr/bin/gather
 
 # Make it executable