ci: add go mod tidy verification step

[yfodil]

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Relates OR Closes #0000

Release note for CHANGELOG:

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 55.25%. Comparing base (5bf53e0) to head (79d5f8b).
Report is 622 commits behind head on master.

❗ There is a different number of reports uploaded between BASE (5bf53e0) and HEAD (79d5f8b). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (5bf53e0)	HEAD (79d5f8b)
	2	1

Additional details and impacted files

@@             Coverage Diff             @@
##           master    #4729       +/-   ##
===========================================
- Coverage   75.45%   55.25%   -20.21%     
===========================================
  Files         202      312      +110     
  Lines       44323    79425    +35102     
===========================================
+ Hits        33444    43884    +10440     
- Misses       9653    34133    +24480     
- Partials     1226     1408      +182     

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