chore: regenerate README

[yoshi-automation]

This PR was generated using Autosynth. 🌈

Log from Synthtool

2020-10-22 19:18:33,549 synthtool [DEBUG] > Executing /root/.cache/synthtool/java-monitoring/.github/readme/synth.py.
On branch autosynth-readme
nothing to commit, working directory clean
2020-10-22 19:18:34,506 synthtool [DEBUG] > Wrote metadata to .github/readme/synth.metadata/synth.metadata.

Full log will be available here:
https://source.cloud.google.com/results/invocations/ad6b667d-13b9-421d-8b80-b745e5eafe81/targets

• To automatically regenerate this PR, check this box.

[codecov]

Codecov Report

Merging #318 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #318   +/-   ##
=========================================
  Coverage     78.01%   78.01%           
  Complexity      422      422           
=========================================
  Files            36       36           
  Lines          4067     4067           
  Branches         49       49           
=========================================
  Hits           3173     3173           
  Misses          831      831           
  Partials         63       63           

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[yoshi-approver]

Rubber stamped PR!