fix(filesystem): return a immutable tupple instead of a mutable list

This is not supposed to be changed further down the code

Author: amilcarlucas

ardupilot_methodic_configurator/backend_filesystem_vehicle_components.py

@@ -89,8 +89,8 @@ def get_fc_fw_version_from_vehicle_components_json(self) -> str:
         return ""
 
     @staticmethod
-    def supported_vehicles() -> list[str]:
-        return ["AP_Periph", "AntennaTracker", "ArduCopter", "ArduPlane", "ArduSub", "Blimp", "Heli", "Rover", "SITL"]
+    def supported_vehicles() -> tuple[str, str, str, str, str, str, str, str, str]:
+        return ("AP_Periph", "AntennaTracker", "ArduCopter", "ArduPlane", "ArduSub", "Blimp", "Heli", "Rover", "SITL")
 
     @staticmethod
     def get_vehicle_components_overviews() -> dict[str, TemplateOverview]: