Add GitHub link to dynamic plugins in .htmltest.yml (#1996)

Author: Gerry-Forde

.htmltest.yml

@@ -45,3 +45,4 @@ IgnoreURLs: # List URLS that are not published, false positives, websites refusi
   - https://docs.redhat.com/en/documentation/red_hat_openshift_serverless/1.37.1#serverless-logic-managing-persistence
   - https://docs.redhat.com/en/documentation/red_hat_openshift_serverless/1.37.1
   - https://docs.redhat.com/en/documentation/red_hat_openshift_serverless/1.37.1#serverless-logic-upgrading-operator
+  - https://github.com/redhat-developer/rhdh/blob/main/dynamic-plugins.default.yaml