chore(deps): update go toolchain directive to v1.26.6

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
go (source)	toolchain	patch	1.26.5 → 1.26.6
go	uses-with	patch	1.26.5 → 1.26.6

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Release Notes

golang/go (go)

v1.26.6

actions/go-versions (go)

v1.26.6: 1.26.6

Compare Source

Go 1.26.6

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.69%. Comparing base (eb41c56) to head (d680053).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #588   +/-   ##
=======================================
  Coverage   91.69%   91.69%           
=======================================
  Files          12       12           
  Lines         759      759           
=======================================
  Hits          696      696           
  Misses         63       63           

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