slack-client-1.16.3

What's Changed

• Fix json serialization for slack_files by @pmusgrave in #361
• bump basepom to 61.2 by @jaredstehler in #362
• Add explict serializer and deserializer behaviour for is* getters by @suruuK in #363
• add gdoc filetype by @seoterran in #364

New Contributors

• @suruuK made their first contribution in #363
• @seoterran made their first contribution in #364

Full Changelog: slack-client-1.16.2...slack-client-1.16.3