chore(deps): update docker.io/gotify/build docker tag to v1.26.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
docker.io/gotify/build	language	minor	1.25.1 → 1.26.0

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 78.70%. Comparing base (fcbb870) to head (853f7eb).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #912   +/-   ##
=======================================
  Coverage   78.70%   78.70%           
=======================================
  Files          57       57           
  Lines        2517     2517           
=======================================
  Hits         1981     1981           
  Misses        397      397           
  Partials      139      139           

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