Fix DeprecationWarning filter

[benallard]

Somehow, the filter based on the package name did not worked for me.

[vmagamedov]

Can you show warnings you get in your environment? I'm getting only ResourceWarning in mine environment.

[benallard]

Sure, that's the errors I'm having.

===================================================== test session starts ======================================================
platform linux -- Python 3.10.10, pytest-7.2.2, pluggy-1.0.0
rootdir: /home/ben/aur/python-grpclib/src/grpclib-0.4.3, configfile: setup.cfg, testpaths: tests
plugins: cov-4.0.0, mock-3.10.0, Faker-16.8.0, asyncio-0.21.0
asyncio: mode=auto
collected 196 items / 3 errors

============================================================ ERRORS ============================================================
_________________________________________ ERROR collecting tests/test_client_events.py _________________________________________
Traceback (most recent call last):
  File "/home/ben/aur/python-grpclib/src/grpclib-0.4.3/tests/test_client_events.py", line 6, in <module>
    from google.rpc.error_details_pb2 import ResourceInfo
  File "/usr/lib/python3.10/site-packages/google/rpc/__init__.py", line 18, in <module>
    import pkg_resources
  File "/usr/lib/python3.10/site-packages/pkg_resources/__init__.py", line 121, in <module>
    warnings.warn("pkg_resources is deprecated as an API", DeprecationWarning)
DeprecationWarning: pkg_resources is deprecated as an API
_________________________________________ ERROR collecting tests/test_server_events.py _________________________________________
Traceback (most recent call last):
  File "/home/ben/aur/python-grpclib/src/grpclib-0.4.3/tests/test_server_events.py", line 4, in <module>
    from google.rpc.error_details_pb2 import ResourceInfo
  File "/usr/lib/python3.10/site-packages/google/rpc/__init__.py", line 18, in <module>
    import pkg_resources
  File "/usr/lib/python3.10/site-packages/pkg_resources/__init__.py", line 121, in <module>
    warnings.warn("pkg_resources is deprecated as an API", DeprecationWarning)
DeprecationWarning: pkg_resources is deprecated as an API
_____________________________________ ERROR collecting tests/test_status_details_codec.py ______________________________________
Traceback (most recent call last):
  File "/home/ben/aur/python-grpclib/src/grpclib-0.4.3/tests/test_status_details_codec.py", line 3, in <module>
    from google.rpc.error_details_pb2 import Help
  File "/usr/lib/python3.10/site-packages/google/rpc/__init__.py", line 18, in <module>
    import pkg_resources
  File "/usr/lib/python3.10/site-packages/pkg_resources/__init__.py", line 121, in <module>
    warnings.warn("pkg_resources is deprecated as an API", DeprecationWarning)
DeprecationWarning: pkg_resources is deprecated as an API
=================================================== short test summary info ====================================================
ERROR tests/test_client_events.py - DeprecationWarning: pkg_resources is deprecated as an API
ERROR tests/test_server_events.py - DeprecationWarning: pkg_resources is deprecated as an API
ERROR tests/test_status_details_codec.py - DeprecationWarning: pkg_resources is deprecated as an API
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Interrupted: 3 errors during collection !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
====================================================== 3 errors in 1.15s =======================================================

[vmagamedov]

Thanks! This temporarily fixes googleapis/python-api-common-protos#140