Fix error in project service mapping for GH/GL exclusions

Previously, the excluded sub-groups and repos were mapped as an object with a URL, when the current state in the API is plain strings in a list.

efservices/src/main/java/org/eclipsefoundation/efservices/api/models/Project.java

@@ -210,7 +210,7 @@ public abstract class Project {
 
         public abstract String getOrg();
 
-        public abstract List<Repo> getIgnoredRepos();
+        public abstract List<String> getIgnoredRepos();
 
         public abstract Builder toBuilder();
 
@@ -224,7 +224,7 @@ public abstract class Project {
 
             public abstract Builder setOrg(String org);
 
-            public abstract Builder setIgnoredRepos(List<Repo> repos);
+            public abstract Builder setIgnoredRepos(List<String> repos);
 
             public abstract GithubProject build();
         }