chore: regenerate README

[yoshi-automation]

This PR was generated using Autosynth. 🌈

Log from Synthtool

2020-10-08 21:37:31,105 synthtool [DEBUG] > Executing /root/.cache/synthtool/java-containeranalysis/.github/readme/synth.py.
On branch autosynth-readme
nothing to commit, working directory clean
2020-10-08 21:37:32,050 synthtool [DEBUG] > Wrote metadata to .github/readme/synth.metadata/synth.metadata.

Full log will be available here:
https://source.cloud.google.com/results/invocations/55f63aea-5cb4-495c-9545-a0d893d17055/targets

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[codecov]

Codecov Report

Merging #275 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #275   +/-   ##
=========================================
  Coverage     72.65%   72.65%           
  Complexity      226      226           
=========================================
  Files            19       19           
  Lines          1719     1719           
  Branches         27       27           
=========================================
  Hits           1249     1249           
  Misses          433      433           
  Partials         37       37           

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