chore: regenerate README

[yoshi-automation]

This PR was generated using Autosynth. 🌈

Log from Synthtool

2021-01-07 21:35:50,473 synthtool [DEBUG] > Executing /root/.cache/synthtool/java-logging/.github/readme/synth.py.
On branch autosynth-readme
nothing to commit, working tree clean
2021-01-07 21:35:51,392 synthtool [DEBUG] > Wrote metadata to .github/readme/synth.metadata/synth.metadata.

Full log will be available here:
https://source.cloud.google.com/results/invocations/72cf975b-54ca-41fb-9a33-593fe13d3831/targets

• To automatically regenerate this PR, check this box.

[codecov]

Codecov Report

Merging #386 (8a298b8) into master (d92126c) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #386   +/-   ##
=========================================
  Coverage     76.67%   76.67%           
  Complexity      680      680           
=========================================
  Files            44       44           
  Lines          4249     4249           
  Branches        287      287           
=========================================
  Hits           3258     3258           
  Misses          826      826           
  Partials        165      165           

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[yoshi-approver]

Rubber stamped PR!