fix: correct ReleasePlan ignoreDifferences (#4052)

- This will prevent Argo from constantly trying to Sync
  since the Release Service wants to update that value

Signed-off-by: Scott Hebert <scoheb@gmail.com>

Author: scoheb

argo-cd-apps/base/tenants-config/tenants-config.yaml

@@ -32,8 +32,8 @@ spec:
         - group: appstudio.redhat.com
           kind: ReleasePlan
           jsonPointers:
-            - /metadata/labels/release.appstudio.openshift.io~author
-            - /metadata/labels/release.appstudio.openshift.io~standing-attribution
+            - /metadata/labels/release.appstudio.openshift.io~1author
+            - /metadata/labels/release.appstudio.openshift.io~1standing-attribution
       syncPolicy:
         automated:
           prune: true