Update publishing code to use Python 3.9

Merge pull request #15 from bjester/fix-update-record-listener

Match service type with record name ending

Merge pull request #14 from bjester/active-interfaces

Track all requested interfaces, as well as ones actually attached

Merge pull request #12 from bjester/update-interfaces

Updates to handle addition and removal of interfaces

Merge pull request #11 from learningequality/ifaddr_optional

Catch import error on Android for ifaddr.

v0.19.11

Version 0.23.0

Version 0.22.0

Version 0.21.3

Version 0.21.2