chore: regenerate README

[yoshi-automation]

This PR was generated using Autosynth. 🌈

Log from Synthtool

2021-04-30 18:21:32,258 synthtool [DEBUG] > Executing /root/.cache/synthtool/java-profiler/.github/readme/synth.py.
On branch autosynth-readme
nothing to commit, working tree clean
2021-04-30 18:21:33,494 synthtool [DEBUG] > Wrote metadata to .github/readme/synth.metadata/synth.metadata.

Full log will be available here:
https://source.cloud.google.com/results/invocations/aea8a4c6-1937-40b4-af96-bfbb9b233c9d/targets

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[yoshi-approver]

Rubber stamped PR!

[codecov]

Codecov Report

Merging #57 (fa75e34) into master (fbda1ca) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master      #57   +/-   ##
=========================================
  Coverage     70.18%   70.18%           
  Complexity       37       37           
=========================================
  Files             6        6           
  Lines           265      265           
  Branches          1        1           
=========================================
  Hits            186      186           
  Misses           78       78           
  Partials          1        1           

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