[chore] Release 5.2.0 (firebase#596)

[chore] Release 5.1.0 (firebase#587)

Bumped version to 5.1.0

[chore] Release 5.0.3 (firebase#580)

[chore] Release 5.0.2 (firebase#567)

[chore] Release 5.0.1 (firebase#557)

[chore] Release 5.0.0 (firebase#547)

[chore] Release 4.5.3 (firebase#537)

- Release 4.5.3

[chore] Release 4.5.2 (firebase#533)

- Release 4.5.2

[chore] Release 4.5.1 (firebase#527)

[chore] Release 4.5.0 (firebase#516)