chore: update dependency go_router to v12.1.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
go_router	dependencies	patch	12.1.0 -> 12.1.1

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Release Notes

flutter/packages (go_router)

v12.1.1

Compare Source

• Retains query parameters during refresh and first redirect.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (974598b) 39.56% compared to head (666e615) 39.56%.
Report is 15 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #80   +/-   ##
=======================================
  Coverage   39.56%   39.56%           
=======================================
  Files          64       64           
  Lines        1183     1183           
=======================================
  Hits          468      468           
  Misses        715      715           

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