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

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 12.76%. Comparing base (b841e28) to head (ce2ecb0).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #154   +/-   ##
=======================================
  Coverage   12.76%   12.76%           
=======================================
  Files           8        8           
  Lines          94       94           
=======================================
  Hits           12       12           
  Misses         82       82           

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