* Bump Package.swift minimum support versions
* Update iOS minimum versions
* Bump Crashlytics to min. support iOS 11
* Bump macOS support from 10.12 to 10.13
* Bump tvOS support from 10 to 11
* Add CHANGELOG entry
* Improve CHANGELOG entry
* Fix CI
* Improve CHANGELOG entry (2)
* Improve CHANGELOG entry (3)
* Update FirePerf test app deployment target
* Update Mac test apps's deployment target
* Update iOS test apps's deployment target
* Update release tooling project's iOS deployment target
* Misc platform min support bumps
* Update FBSDK API usage to FBSDK 13.0+
* Fix Auth dep on FBSDK