test: sweep checks the audit trail and keeps the unit test free of em dashes

tests/test_sweep_plan.py

@@ -251,7 +251,7 @@ def test_report_groups_by_domain_and_has_no_em_dash_or_bold() -> None:
     assert "`gitea_repo_get`" in text
     assert "| `gitea_repo_list_forks` | 404 |" in text
     assert "no signing key" in text
-    assert "—" not in text
+    assert "\u2014" not in text
     assert "**" not in text
     assert "Not covered by this run" in text