chore(deps): update go toolchain directive to v1.26.5

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
go (source)	toolchain	patch	1.26.4 → 1.26.5

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Release Notes

golang/go (go)

v1.26.5

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Configuration

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.48%. Comparing base (522d9e1) to head (c693dd2).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #653   +/-   ##
=======================================
  Coverage   87.48%   87.48%           
=======================================
  Files          13       13           
  Lines        2102     2102           
=======================================
  Hits         1839     1839           
  Misses        175      175           
  Partials       88       88           

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