switch from deprecatd distutil to packaging for detect protobuf package version

Author: rekby

.github/workflows/tests.yaml

@@ -2,6 +2,7 @@ name: Functional tests
 
 on:
   push:
+    - master
   pull_request:
 
 jobs:

requirements.txt

@@ -1,4 +1,5 @@
 grpcio==1.39.0
+packaging
 protobuf>3.13.0,<5.0.0
 pytest==6.2.4
 aiohttp==3.7.4

ydb/_grpc/common/__init__.py

@@ -1,14 +1,14 @@
 import sys
 
 import google.protobuf
-from distutils.version import LooseVersion
+from packaging.version import Version
 
 # generated files are incompatible between 3 and 4 protobuf versions
 # import right generated version for current protobuf lib
 # sdk code must always import from ydb._grpc.common
-protobuf_version = LooseVersion(google.protobuf.__version__)
+protobuf_version = Version(google.protobuf.__version__)
 
-if protobuf_version < LooseVersion("4.0"):
+if protobuf_version < Version("4.0"):
     from ydb._grpc.v3 import * # noqa
     from ydb._grpc.v3 import protos # noqa
     sys.modules["ydb._grpc.common"] = sys.modules["ydb._grpc.v3"]