Do not aggregate failing mac test status

Issue Ref: containers#20853

Allow the tests to fail, but don't block merging PRs.
This commit should be reverted when containers#20853 is resolved.

Signed-off-by: Chris Evich <cevich@redhat.com>

.cirrus.yml

@@ -1114,7 +1114,8 @@ success_task:
         # TODO: issue #20548; These tests are new and mostly fail.
         # Ignore status until tests, scripts, and/or environment stabalize.
         # - podman_machine_windows
-        - podman_machine_mac
+        # TODO: Issue #20853; Tests mostly fail then timeout after an hour.
+        # - podman_machine_mac
         - local_system_test
         - local_system_test_aarch64
         - remote_system_test

contrib/cirrus/cirrus_yaml_test.py

@@ -27,7 +27,7 @@ class TestDependsOn(TestCaseBase):
 
     ALL_TASK_NAMES = None
     SUCCESS_DEPS_EXCLUDE = set(['success', 'bench_stuff', 'artifacts',
-        'release', 'release_test', 'podman_machine_windows'])
+        'release', 'release_test', 'podman_machine_windows', 'podman_machine_mac'])
 
     def setUp(self):
         super().setUp()