Pin the dependencies ...

... after upgrading:
- dev dependencies
  + packaging
  + pre-commit
  + pytest
  + sphinx
- research dependencies
  + pandas
- transient dependencies
  + appnode   + argcomplete        + babel         + bandit
  + certifi   + cffi               + colorlog      + darglint
  + identify  + ipykernel          + jupyter-core  + nest-asyncio
  + pathspec  + prometheus-client  + py            + pygments
  + pywin32   + pyzmq              + regex         + requests
  + restructedtext-lint            + stevedore     + testfixtures
  + urllib3   + virtualenv