chore: regenerate README

[yoshi-automation]

This PR was generated using Autosynth. 🌈

Log from Synthtool

2021-01-07 22:21:52,701 synthtool [DEBUG] > Executing /root/.cache/synthtool/java-datalabeling/.github/readme/synth.py.
On branch autosynth-readme
nothing to commit, working tree clean
2021-01-07 22:21:53,606 synthtool [DEBUG] > Wrote metadata to .github/readme/synth.metadata/synth.metadata.

Full log will be available here:
https://source.cloud.google.com/results/invocations/3caf27a4-ec7f-41b7-9d1a-2aed783046b5/targets

• To automatically regenerate this PR, check this box.

[yoshi-approver]

Rubber stamped PR!

[codecov]

Codecov Report

Merging #368 (3e549fd) into master (98385aa) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #368   +/-   ##
=========================================
  Coverage     83.97%   83.97%           
  Complexity      297      297           
=========================================
  Files             6        6           
  Lines          2246     2246           
  Branches         40       40           
=========================================
  Hits           1886     1886           
  Misses          309      309           
  Partials         51       51           

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