memcache - upgrade ava to 4.3.1

[jaredwray]

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[codecov]

Codecov Report

Merging #420 (c0791fe) into main (0d22676) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##              main      #420   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           18        18           
  Lines         1113      1113           
=========================================
  Hits          1113      1113           

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