feat: Make UNSAFE_VALUES a tuple

Author: afonsobspinto

tools/cloudharness-test/cloudharness_test/apitest_init.py

@@ -69,7 +69,7 @@ def set(self, case, data, context):
                 case.headers["Authorization"] = f"Bearer {data}"
                 case.headers["Cookie"] = f"kc-access={data}"
 
-    UNSAFE_VALUES = ("%")
+    UNSAFE_VALUES = ("%", )
 
     @st.hook
     def before_generate_path_parameters(context: HookContext, strategy):