[TPU][Bugfix] disable phi-3 test (#20632)

Signed-off-by: Qiliang Cui <derrhein@gmail.com>

tests/v1/tpu/test_basic.py

@@ -67,6 +67,7 @@ def test_basic(
         assert "1024" in output or "0, 1" in output
 
 
+@pytest.mark.skip(reason="Temporarily disabled due to timeout")
 @pytest.mark.skipif(not current_platform.is_tpu(),
                     reason="This is a basic test for TPU only")
 @pytest.mark.parametrize("max_tokens", [8])