chore: regenerate README

[yoshi-automation]

This PR was generated using Autosynth. 🌈

Log from Synthtool

2021-05-13 14:02:13,586 synthtool [DEBUG] > Executing /root/.cache/synthtool/java-logging/.github/readme/synth.py.
On branch autosynth-readme
nothing to commit, working tree clean
2021-05-13 14:02:15,119 synthtool [DEBUG] > Wrote metadata to .github/readme/synth.metadata/synth.metadata.

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[yoshi-approver]

Rubber stamped PR!

[codecov]

Codecov Report

Merging #526 (6956cf4) into master (825e0c9) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #526   +/-   ##
=========================================
  Coverage     79.32%   79.32%           
  Complexity      745      745           
=========================================
  Files            44       44           
  Lines          4252     4252           
  Branches        286      286           
=========================================
  Hits           3373     3373           
  Misses          692      692           
  Partials        187      187           

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