fix(tests): Disable flaky test (#80646)

This test failed around midnight UTC, likely a UTC bug.

<!-- Describe your PR here. -->

tests/sentry/api/endpoints/test_organization_dashboard_widget_details.py

@@ -1,5 +1,6 @@
 from unittest import mock
 
+import pytest
 from django.urls import reverse
 
 from sentry import options
@@ -494,6 +495,7 @@ def test_invalid_issue_query_conditions_in_discover_widget(self):
         assert "queries" in response.data, response.data
         assert response.data["queries"][0]["conditions"], response.data
 
+    @pytest.mark.skip("Flaky - utc bug")
     def test_timestamp_query_with_timezone(self):
         data = {
             "title": "Timestamp filter",