ci: fix import path

tools/test_apps/system/panic/conftest.py

@@ -18,4 +18,4 @@ def monkeypatch_module(request: FixtureRequest) -> MonkeyPatch:
 
 @pytest.fixture(scope='module', autouse=True)
 def replace_dut_class(monkeypatch_module: MonkeyPatch) -> None:
-    monkeypatch_module.setattr('pytest_embedded_idf.dut.IdfDut', PanicTestDut)
+    monkeypatch_module.setattr('pytest_embedded_idf.IdfDut', PanicTestDut)