1.3.0

Thank you all for being patient for the latest release of the firebase-kotlin-sdk.
With special thanks to the following:
Updated dependencies, added setSettings() / disableNetwork() / enableNetwork() to FirebaseFirestore (#138) @suntrix
Added AuthTokenResult (#142) @suntrix
Fixed typo in collectionGroupWithID on iosTarget (#144) @Reedyuk
Added authDomain to Firebase options (#149) @mihbor
Updated and improved build config (#151) @suntrix
Added where clause for document reference object (#153) @avdyushin
Fixed broken iOS target (#154) @Reedyuk
Updated to Kotlin 1.4.31 (#155) @suntrix
Use firebase 7.7.0 for iOS cinterop (#156) @suntrix
Added some test for decoding of object with nullable value (#163) @Reedyuk
Fixed issue with errorToException missing exceptions (#169) @Reedyuk
Fixed iOS target (#170) @Daeda88
iOS target had incorrect firebase field value (#174) @jfreeley
Bumped JS target firebase version (#177) @Reedyuk
Fixed broken link in readme (#179) @BlakeBarrett
Added await while online for JS target (#180) @Reedyuk
Fixed gradle build task for running tests on incompatible target (#182) @nbransby
Added gcmSenderId to config (#184) @nbransby