[chore] Release 8.0.0 (firebase#579)

[chore] Release v7.3.0 (firebase#555)

[chore] Release 7.2.0 (firebase#530)

[chore] Release 7.1.1 (firebase#518)

[chore] Release 7.1.0 (firebase#503)

- Release 7.0.1
- Includes Remote Config API firebase#446

[chore] Release 7.0.1 (firebase#484)

[chore] Release 7.0.0 (firebase#473)

[chore] Release 6.16.0 (firebase#471)

[chore] Release 6.15.0 (firebase#457)

[chore] Release 6.14.0 (firebase#444)