Update golang.org/x/image digest to a8550c1

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
golang.org/x/image	require	digest	723b81c -> a8550c1

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[codecov[bot]]

Codecov Report

Merging #392 (3eebff9) into master (7026126) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #392   +/-   ##
=======================================
  Coverage   47.16%   47.16%           
=======================================
  Files          67       67           
  Lines        4380     4380           
=======================================
  Hits         2066     2066           
  Misses       2189     2189           
  Partials      125      125           

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