Fix producty attr in rn

Author: Steven Smith

modules/rn_3_13_0.adoc

@@ -50,7 +50,7 @@ spec:
       volumeSize: <volume_size>
 ----
 
-For more information, see link:https://docs.redhat.com/en/documentation/red_hat_quay/3/html/upgrade_red_hat_quay/index[Upgrade {productname}].
+For more information, see link:https://docs.redhat.com/en/documentation/red_hat_quay/{producty}/html/upgrade_red_hat_quay/index[Upgrade {productname}].
 
 [id="new-features-and-enhancements-313"]
 == {productname} new features and enhancements