fix(storage): mark storage pytest apps flaky in CI

components/spiffs/test_apps/pytest_spiffs.py

@@ -6,6 +6,7 @@ from pytest_embedded_idf.utils import idf_parametrize
 
 
 @pytest.mark.generic
+@pytest.mark.flaky(reruns=2, reruns_delay=5)
 @pytest.mark.parametrize(
     'config',
     [
@@ -24,6 +25,7 @@ def test_spiffs_generic(dut: Dut) -> None:
 
 
 @pytest.mark.quad_psram
+@pytest.mark.flaky(reruns=2, reruns_delay=5)
 @pytest.mark.parametrize(
     'config',
     [