TELCODOCS-2094: Fix indentation in ImageBasedGroupUpgrade.yaml

Author: amolnar-rh

snippets/ibu-ImageBasedGroupUpgrade.adoc

@@ -20,12 +20,12 @@ spec:
       version: 4.17.0-rc.1
       pullSecretRef:
         name: "<seed_pull_secret>"
-  extraManifests: # <3>
-    - name: example-extra-manifests
-      namespace: openshift-lifecycle-agent
-  oadpContent: # <4>
-    - name: oadp-cm
-      namespace: openshift-adp
+    extraManifests: # <3>
+      - name: example-extra-manifests
+        namespace: openshift-lifecycle-agent
+    oadpContent: # <4>
+      - name: oadp-cm
+        namespace: openshift-adp
   plan: # <5>
   - actions: ["Prep", "Upgrade", "FinalizeUpgrade"]
     rolloutStrategy: