chore(master): release 1.13.0

[release-please]

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

1.13.0 (2021-03-01)

Features

• generator: update protoc to v3.15.3 (#898) (2f277d6)
• in StreamWriterV2, supports new append, which takes rows and offset (#894) (f3865b0)
• StreamWriterV2 will handle schema/streamName attachment (#877) (c54bcfe)

Dependencies

• update dependency com.google.cloud:google-cloud-bigquery to v1.127.5 (#896) (d211c76)
• update dependency com.google.cloud:google-cloud-shared-dependencies to v0.20.0 (#892) (438f1c3)

---

This PR was generated with Release Please. See documentation.

[codecov]

Codecov Report

Merging #893 (c7af9bd) into master (2f277d6) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #893   +/-   ##
=========================================
  Coverage     80.57%   80.57%           
  Complexity     1015     1015           
=========================================
  Files            76       76           
  Lines          5533     5533           
  Branches        427      427           
=========================================
  Hits           4458     4458           
  Misses          897      897           
  Partials        178      178           

---

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 2f277d6...7204655. Read the comment docs.

[gcf-merge-on-green]

Merge-on-green attempted to merge your PR for 6 hours, but it was not mergeable because either one of your required status checks failed, one of your required reviews was not approved, or there is a do not merge label. Learn more about your required status checks here: https://help.github.com/en/github/administering-a-repository/enabling-required-status-checks. You can remove and reapply the label to re-run the bot.

[yoshi-automation]

🤖 Release is at https://github.com/googleapis/java-bigquerystorage/releases/tag/v1.13.0 🌻

[release-tool-publish-reporter]

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

[release-tool-publish-reporter]

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