chore: release 3.0.0

[release-please]

🤖 I have created a release *beep* *boop*

3.0.0 (2019-12-15)

⚠ BREAKING CHANGES

• convert Gapic client to TypeScript (feat!: convert Gapic client to TypeScript #805)
• remove deprecated timestampInSnapshots setting (feat!: remove deprecated timestampInSnapshots setting #808)

Features

• convert Gapic client to TypeScript (#805) (5000b2d)
• remove deprecated timestampInSnapshots setting (#808) (f37fffc)

Bug Fixes

• close GRPC channel when we dispose of clients (#779) (22ef0d0)

---

This PR was generated with Release Please.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@22ef0d0). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #815   +/-   ##
=========================================
  Coverage          ?   74.24%           
=========================================
  Files             ?       50           
  Lines             ?     2904           
  Branches          ?      462           
=========================================
  Hits              ?     2156           
  Misses            ?      695           
  Partials          ?       53

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 22ef0d0...0a0dc84. Read the comment docs.

[alexander-fenster]

@schmidt-sebastian The release will happen on Monday in the morning. The bot does not work on weekends (apparently, we humans do, but it prefers to have some rest instead).

[yoshi-automation]

Release is at https://github.com/googleapis/nodejs-firestore/releases/tag/v3.0.0

[yoshi-automation]

The release build has started, the log can be viewed here. 🌻

[yoshi-automation]

🥚 You hatched a release! The release build finished successfully! 💜