ci: bump golangci-lint to v1.61

[tri-adam]

Remove some nolint comments that are no longer necessary due to improvements in the gosec linter. Improve alignment overflow check logic.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 65.39%. Comparing base (a270847) to head (0d09c53).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #386      +/-   ##
==========================================
- Coverage   65.41%   65.39%   -0.02%     
==========================================
  Files          37       37              
  Lines        3264     3263       -1     
==========================================
- Hits         2135     2134       -1     
  Misses        975      975              
  Partials      154      154              

Flag	Coverage Δ
	65.39% <100.00%> (?)

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