fix(deps): update module github.com/charmbracelet/x/exp/teatest/v2 to v2.0.0-20260816001655-68d539dca504

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
github.com/charmbracelet/x/exp/teatest/v2	v2.0.0-20260330094520-2dce04b6f8a4 → v2.0.0-20260816001655-68d539dca504

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[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.88%. Comparing base (af8622c) to head (581ae2a).

Additional details and impacted files

@@ Coverage Diff @@## master #25 +/- ##
=======================================
Coverage 89.88% 89.88% =======================================
Files 18 18 Lines 1226 1226 =======================================
Hits 1102 1102 Misses 99 99 Partials 25 25 

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