ci: disable inherited container healthchecks during acceptance

.github/model-e2e/host.py

@@ -90,6 +90,7 @@ def docker_command(config, harness, inputs, output, name):
         "--name",
         name,
         "--pull=never",
+        "--no-healthcheck",
         "--init",
         "--user",
         f"{uid}:{gid}",

.github/model-e2e/test_contracts.py

@@ -316,6 +316,7 @@ class QueueAndSandbox(unittest.TestCase):
         )
         self.assertIn("--cap-drop=ALL", command)
         self.assertIn("--read-only", command)
+        self.assertIn("--no-healthcheck", command)
         self.assertNotIn("--privileged", command)
         self.assertNotIn("--network=host", command)
         self.assertNotIn("--ipc=host", command)