Update Gitea workflow config defaults

src/simpl_open_credential_delivery/config/gitea_workflow_config_mapping.py

@@ -27,15 +27,17 @@ simpl_open_gitea_workflow_config_mapping = config_mapping(
     config_schema={
         "repository_identifier": Field(
             str,
+            default_value="simpl-open/platform-automation",
             description="Gitea repository identifier in owner/repo format",
         ),
         "consumer_email": Field(
             str,
+            default_value="consumer@example.com",
             description="Email address where credentials must be delivered",
         ),
         "access_level": Field(
             str,
-            default_value="read-only",
+            default_value="read",
             description="Repository access level requested for the consumer",
         ),
         "token_name_prefix": Field(