docs: Update disaster_recovery.md to reflect quay.io as docker contai…

…ner registry (argoproj#13520) (argoproj#13792)

ArgoCD docker images are being used from `quay.io` registry.
Updated document to reflect that in the `bash` commands.

Signed-off-by: Divyang Patel <divyang.jp@gmail.com>
Co-authored-by: Divyang Patel <divyang.jp@gmail.com>

docs/operator-manual/disaster_recovery.md

@@ -15,13 +15,13 @@ export VERSION=v1.0.1
 Export to a backup:
 
 ```bash
-docker run -v ~/.kube:/home/argocd/.kube --rm argoproj/argocd:$VERSION argocd admin export > backup.yaml
+docker run -v ~/.kube:/home/argocd/.kube --rm quay.io/argoproj/argocd:$VERSION argocd admin export > backup.yaml
 ```
 
 Import from a backup:
 
 ```bash
-docker run -i -v ~/.kube:/home/argocd/.kube --rm argoproj/argocd:$VERSION argocd admin import - < backup.yaml
+docker run -i -v ~/.kube:/home/argocd/.kube --rm quay.io/argoproj/argocd:$VERSION argocd admin import - < backup.yaml
 ```
 
 !!! note