[chore] Release 7.1.0 (firebase#903)

[chore] Release 7.0.0 (firebase#902)

[chore] Release 6.9.0 (firebase#885)

[chore] Release 6.8.0 (firebase#874)

[chore] Release 6.7.0 (firebase#867)

[chore] Release 6.6.0 Take 2 (firebase#830)

[chore] Release 6.5.0 (firebase#779)

[chore] Release 6.4.0 Take 3 (firebase#763)

[chore] Release 6.3.0 (firebase#742)

[chore] Release 6.2.0 (firebase#708)

- Release 6.2.0