[chore] Release 12.2.0 (firebase#2605)

[chore] Release 12.1.1 (firebase#2561)

[chore] Release 12.1.0 (firebase#2532)

[chore] Release 12.0.0 (firebase#2404)

[chore] Release 11.11.1 (firebase#2387)

[chore] Release 11.11.0 (firebase#2315)

[chore] Release 11.10.1 (firebase#2248)

[chore] Release 11.10.0 (firebase#2246)

Includes: 
- firebase#2216
- firebase#2209
- firebase#2036
- firebase#2197

[chore] Release 11.9.0 (firebase#2196)

- Release 11.9.0

[chore] Release 11.8.0 (firebase#2175)