Update benchmarking diagram with latest stats

[kale-stew]

Description

Closes #81

This PR updates the benchmark png we display in our Readme.

We still want to add versions tested to this diagram. Open to feedback on how to make that more aesthetically pleasing.

Checklist:

• [x] All tests are passing
• [x] Benchmark performance has not significantly decreased (N/A)
• [x] Bundle size has not been significantly impacted (N/A)
• [x] The bundle size badge has been updated to reflect the new size

[codecov-commenter]

Codecov Report

Merging #82 into master will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #82   +/-   ##
=======================================
  Coverage   98.21%   98.21%           
=======================================
  Files           1        1           
  Lines          56       56           
=======================================
  Hits           55       55           
  Misses          1        1           

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[chrisbolin]

Oops, I think your editor reformatted the markdown files, making the diff pretty noisy. Can you leave everything unchanged except for the items this PR directly changes?

[kale-stew]

@chrisbolin done 👍