Change sdk version used in regression to 0.0.50

Signed-off-by: dragondriver <jiquan.long@zilliz.com>

tests/python_test/entity/test_insert.py

@@ -760,7 +760,7 @@ class TestInsertAsync:
             ids = future.result()
 
     # #1339
-    @pytest.mark.tags("fail")
+    @pytest.mark.tags("0331")
     def test_insert_async_invalid_params_raise_exception(self, connect, collection):
         '''
         target: test insert vectors with different length of vectors

tests/python_test/requirements.txt

@@ -10,6 +10,6 @@ allure-pytest==2.7.0
 pytest-print==0.2.1
 pytest-level==0.1.1
 pytest-xdist==2.2.1
-pymilvus-distributed==0.0.48
+pymilvus-distributed==0.0.50
 pytest-rerunfailures==9.1.1
 git+https://github.com/Projectplace/pytest-tags