chore: regenerate README

[yoshi-automation]

This PR was generated using Autosynth. 🌈

Log from Synthtool

2020-10-15 22:50:48,867 synthtool [DEBUG] > Executing /root/.cache/synthtool/java-logging-logback/.github/readme/synth.py.
On branch autosynth-readme
nothing to commit, working directory clean
2020-10-15 22:50:49,972 synthtool [DEBUG] > Wrote metadata to .github/readme/synth.metadata/synth.metadata.

Full log will be available here:
https://source.cloud.google.com/results/invocations/6d76bcad-8cc4-424b-a394-027c96a16782/targets

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[codecov]

Codecov Report

Merging #194 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #194   +/-   ##
=========================================
  Coverage     68.05%   68.05%           
  Complexity       35       35           
=========================================
  Files             2        2           
  Lines           144      144           
  Branches         15       15           
=========================================
  Hits             98       98           
  Misses           33       33           
  Partials         13       13           

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