docs(upgrade-details): add missing comma in query (#117)

Version update query missed a comma

docs/technical documentation/12. Upgrade Details.md

@@ -97,7 +97,7 @@ AND u.user_id NOT IN (
     SELECT user_id
     FROM public.user_role_mapping
     JOIN public.keycloak_role ON user_role_mapping.role_id = keycloak_role.id
-    WHERE keycloak_role.name IN ('Semantic Model Management' 'Identity Wallet Management', 'Dataspace Discovery')
+    WHERE keycloak_role.name IN ('Semantic Model Management', 'Identity Wallet Management', 'Dataspace Discovery')
 );
 
 SELECT DISTINCT u.user_id