CI disable test CANGPSCopterMission

 - This check is failing multiple times on push/PR of any commits.
 - The underlying problem needs to be addressed at a later date. and then re-enable the test - testCAN.CANGPSCopterMission.

Tools/autotest/arducopter.py

@@ -10778,6 +10778,7 @@ def disabled_tests(self):
             "GroundEffectCompensation_takeOffExpected": "Flapping",
             "GroundEffectCompensation_touchDownExpected": "Flapping",
             "FlyMissionTwice": "See https://github.com/ArduPilot/ardupilot/pull/18561",
+            "CANGPSCopterMission": "CX temporary : JIRA - SW-317"
         }