chore(deps): update golang docker tag to v1.26

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
golang	stage	minor	1.25 → 1.26

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 69.15%. Comparing base (59420ee) to head (a47e708).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1035   +/-   ##
=======================================
  Coverage   69.15%   69.15%           
=======================================
  Files          71       71           
  Lines        6543     6543           
=======================================
  Hits         4525     4525           
  Misses       1724     1724           
  Partials      294      294           

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