chore: regenerate README

[yoshi-automation]

This PR was generated using Autosynth. 🌈

Log from Synthtool

2020-10-27 22:34:11,184 synthtool [DEBUG] > Executing /root/.cache/synthtool/java-functions/.github/readme/synth.py.
On branch autosynth-readme
nothing to commit, working directory clean
2020-10-27 22:34:12,106 synthtool [DEBUG] > Wrote metadata to .github/readme/synth.metadata/synth.metadata.

Full log will be available here:
https://source.cloud.google.com/results/invocations/6f8a7193-8fb8-41e5-a8e5-9b9a9f8f07c2/targets

• To automatically regenerate this PR, check this box.

[yoshi-approver]

Rubber stamped PR!

[codecov]

Codecov Report

Merging #66 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master      #66   +/-   ##
=========================================
  Coverage     78.43%   78.43%           
  Complexity       85       85           
=========================================
  Files             6        6           
  Lines           728      728           
  Branches          4        4           
=========================================
  Hits            571      571           
  Misses          149      149           
  Partials          8        8           

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 522d1b6...7346e57. Read the comment docs.