Update Pipfile.lock to upgrade dependencies

[shoma]

Fix this issue

Traceback (most recent call last):
  File "/opt/hostedtoolcache/Python/3.7.7/x64/lib/python3.7/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/opt/hostedtoolcache/Python/3.7.7/x64/lib/python3.7/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/home/runner/.local/share/virtualenvs/spanner-cli-NiVXAW-d/lib/python3.7/site-packages/pytest.py", line 6, in <module>
    from _pytest.assertion import register_assert_rewrite
  File "/home/runner/.local/share/virtualenvs/spanner-cli-NiVXAW-d/lib/python3.7/site-packages/_pytest/assertion/__init__.py", line 7, in <module>
    from _pytest.assertion import rewrite
  File "/home/runner/.local/share/virtualenvs/spanner-cli-NiVXAW-d/lib/python3.7/site-packages/_pytest/assertion/rewrite.py", line 24, in <module>
    from _pytest.assertion import util
  File "/home/runner/.local/share/virtualenvs/spanner-cli-NiVXAW-d/lib/python3.7/site-packages/_pytest/assertion/util.py", line 14, in <module>
    import _pytest._code
  File "/home/runner/.local/share/virtualenvs/spanner-cli-NiVXAW-d/lib/python3.7/site-packages/_pytest/_code/__init__.py", line 2, in <module>
    from .code import Code  # noqa
  File "/home/runner/.local/share/virtualenvs/spanner-cli-NiVXAW-d/lib/python3.7/site-packages/_pytest/_code/code.py", line 28, in <module>
    import pluggy
  File "/home/runner/.local/share/virtualenvs/spanner-cli-NiVXAW-d/lib/python3.7/site-packages/pluggy/__init__.py", line 16, in <module>
    from .manager import PluginManager, PluginValidationError
  File "/home/runner/.local/share/virtualenvs/spanner-cli-NiVXAW-d/lib/python3.7/site-packages/pluggy/manager.py", line 11, in <module>
    import importlib_metadata
ModuleNotFoundError: No module named 'importlib_metadata'