Change codecov patch target to auto

[masih]

Change the codecov patch target from 70% to auto in order to reduce false negative noise in PR checks.

[github-actions]

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Build	Format	Lint	Breaking	Updated (UTC)
✅ passed	✅ passed	✅ passed	✅ passed	Dec 17, 2025, 2:48 PM

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 43.15%. Comparing base (7c23343) to head (29da8e2).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2625      +/-   ##
==========================================
- Coverage   43.15%   43.15%   -0.01%     
==========================================
  Files        1867     1867              
  Lines      154112   154112              
==========================================
- Hits        66510    66508       -2     
- Misses      81633    81634       +1     
- Partials     5969     5970       +1     

Flag	Coverage Δ
sei-chain	44.60% <ø> (-0.01%)	⬇️
sei-cosmos	38.04% <ø> (+<0.01%)	⬆️
sei-db	69.06% <ø> (-0.22%)	⬇️
sei-tendermint	47.50% <ø> (-0.01%)	⬇️

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see 16 files with indirect coverage changes

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