chore: regenerate README

[yoshi-automation]

This PR was generated using Autosynth. 🌈

Log from Synthtool

2020-11-02 18:21:41,938 synthtool [DEBUG] > Executing /root/.cache/synthtool/java-dialogflow/.github/readme/synth.py.
On branch autosynth-readme
nothing to commit, working directory clean
2020-11-02 18:21:42,925 synthtool [DEBUG] > Wrote metadata to .github/readme/synth.metadata/synth.metadata.

Full log will be available here:
https://source.cloud.google.com/results/invocations/64d2c559-ba82-4893-8d1a-bab46f93eff9/targets

• To automatically regenerate this PR, check this box.

[codecov]

Codecov Report

Merging #352 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #352   +/-   ##
=========================================
  Coverage     73.91%   73.91%           
  Complexity     1012     1012           
=========================================
  Files            96       96           
  Lines          8473     8473           
  Branches        102      102           
=========================================
  Hits           6263     6263           
  Misses         2073     2073           
  Partials        137      137           

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[yoshi-approver]

Rubber stamped PR!