Upgrade to go 1.24.5

[masih]

UUpgrade to go 1.24.5, consistent with sei-chain.

While at it, resolve false negative test failures:

• use testing temp directory
• use constant pattern for formatting printers
• follow required go naming convention in examples

[codecov]

Codecov Report

❌ Patch coverage is 33.33333% with 8 lines in your changes missing coverage. Please review.
✅ Project coverage is 42.59%. Comparing base (7728520) to head (e28dbf4).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
x/authz/keeper/grpc_query.go	0.00%	4 Missing ⚠️
server/start.go	0.00%	1 Missing ⚠️
x/auth/keeper/grpc_query.go	0.00%	1 Missing ⚠️
x/evidence/keeper/grpc_query.go	0.00%	1 Missing ⚠️
x/feegrant/keeper/grpc_query.go	50.00%	1 Missing ⚠️

❌ Your patch status has failed because the patch coverage (33.33%) is below the target coverage (70.00%). You can increase the patch coverage or adjust the target coverage.
❌ Your project status has failed because the head coverage (42.59%) is below the target coverage (50.00%). You can increase the head coverage or adjust the target coverage.

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #604       +/-   ##
===========================================
- Coverage   54.35%   42.59%   -11.76%     
===========================================
  Files         634      786      +152     
  Lines       55542    70873    +15331     
===========================================
+ Hits        30189    30191        +2     
- Misses      23191    38521    +15330     
+ Partials     2162     2161        -1     

Files with missing lines	Coverage Δ
x/auth/ante/fee.go	92.00% <100.00%> (ø)
x/capability/keeper/keeper.go	73.48% <100.00%> (ø)
x/capability/types/types.go	100.00% <100.00%> (ø)
server/start.go	21.42% <0.00%> (ø)
x/auth/keeper/grpc_query.go	50.84% <0.00%> (ø)
x/evidence/keeper/grpc_query.go	49.05% <0.00%> (ø)
x/feegrant/keeper/grpc_query.go	76.92% <50.00%> (ø)
x/authz/keeper/grpc_query.go	70.89% <0.00%> (ø)

... and 154 files with indirect coverage changes

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