deps: update ksp monorepo to v2.3.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
com.google.devtools.ksp:symbol-processing-api (source)	2.3.0 -> 2.3.1
com.google.devtools.ksp:com.google.devtools.ksp.gradle.plugin (source)	2.3.0 -> 2.3.1

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Configuration

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 57.42%. Comparing base (ffba120) to head (3d26dd2).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main   #11043   +/-   ##
=========================================
  Coverage     57.42%   57.42%           
- Complexity     1701     1703    +2     
=========================================
  Files           346      346           
  Lines         12835    12835           
  Branches       1215     1215           
=========================================
  Hits           7370     7370           
  Misses         4998     4998           
  Partials        467      467           

Flag	Coverage Δ
funTest-external-tools	13.50% <ø> (ø)
funTest-no-external-tools	31.20% <ø> (+0.10%)	⬆️
test-ubuntu-24.04	42.35% <ø> (ø)
test-windows-2025	42.33% <ø> (ø)

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