RHIDP-3440 Fix broken link in Dynamic Plugins Reference (#575)

Author: Gerry-Forde

artifacts/attributes.adoc

@@ -97,3 +97,6 @@
 
 :upgrading-book-url: https://docs.redhat.com/en/documentation/red_hat_developer_hub/{product-version}/html/upgrading_red_hat_developer_hub/index
 :upgrading-book-title: Upgrading {product}
+
+:plugins-configure-book-url: https://docs.redhat.com/en/documentation/red_hat_developer_hub/{product-version}/html/configuring_dynamic_plugins/index
+:plugins-configure-book-title: Configuring dynamic plugins