ci: Temporarily ignore CAN example test failures

Due to internal CI issue.

examples/peripherals/can/can_alert_and_recovery/example_test.py

@@ -19,7 +19,7 @@ STR_EXPECT = ("CAN Alert and Recovery: Driver installed", "CAN Alert and Recover
 EXPECT_TIMEOUT = 20
 
 
-@IDF.idf_example_test(env_tag='Example_CAN1')
+@IDF.idf_example_test(env_tag='Example_CAN1', ignore=True)
 def test_can_alert_and_recovery_example(env, extra_data):
     # Get device under test, flash and start example. "dut4" must be defined in EnvConfig
     dut = env.get_dut('dut1', 'examples/peripherals/can/can_alert_and_recovery')

examples/peripherals/can/can_network/example_test.py

@@ -36,7 +36,7 @@ def dut_thread_callback(**kwargs):
     result[0] = True
 
 
-@IDF.idf_example_test(env_tag='Example_CAN2')
+@IDF.idf_example_test(env_tag='Example_CAN2', ignore=True)
 def test_can_network_example(env, extra_data):
 
     # Get device under test. "dut1", "dut2", and "dut3" must be properly defined in EnvConfig

examples/peripherals/can/can_self_test/example_test.py

@@ -19,7 +19,7 @@ STR_EXPECT = ("CAN Self Test: Driver installed", "CAN Self Test: Driver uninstal
 EXPECT_TIMEOUT = 20
 
 
-@IDF.idf_example_test(env_tag='Example_CAN1')
+@IDF.idf_example_test(env_tag='Example_CAN1', ignore=True)
 def test_can_self_test_example(env, extra_data):
     # Get device under test, flash and start example. "dut4" must be defined in EnvConfig
     dut = env.get_dut('dut1', 'examples/peripherals/can/can_self_test')