Release v2.2.4

What's Changed

• Bump protobuf dependency to 3.20.x by @jhamon in #185
• CI setup for nightly python builds by @jhamon in #179
• Docs improvements
  • by @byronnlandry in #187
  • by @byronnlandry in #188
  • by @efung in #191
• Fixing annoying urllib3 deprecation error
  • Replace deprecated HTTPResponse.getheader() by @izeye in #195
  • update urllib3_response.headers.get as getheader is deprecated by @tdonia in #197
• Give feedback when environment kwarg mispelled by @tdonia in #198

New Contributors

• @efung made their first contribution in #191
• @izeye made their first contribution in #195
• @tdonia made their first contribution in #197

Full Changelog: v2.2.2...v2.2.4