chore(deps): update dependency ubuntu to v26

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
ubuntu	github-runner	major	24.04 → 26.04
ubuntu (source)	final	major	24.04 → 26.04

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 58.47%. Comparing base (7fcf2d6) to head (5536189).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #673   +/-   ##
=======================================
  Coverage   58.47%   58.47%           
=======================================
  Files          57       57           
  Lines       11118    11118           
=======================================
  Hits         6501     6501           
  Misses       4617     4617           

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