ci: update golangci-lint to v2.7.2

[marten-seemann]

Update GitHub Actions lint workflow to run golangci-lint-action v2.7.2 in lint.yml

Bump the version input of golangci-lint-action from v2.1.6 to v2.7.2 in lint.yml.

📍Where to Start

Start with the golangci-lint step in lint.yml.

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Macroscope summarized 560116f.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.93%. Comparing base (f2622e1) to head (560116f).
⚠️ Report is 2 commits behind head on master.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #234      +/-   ##
==========================================
+ Coverage   81.48%   81.93%   +0.44%     
==========================================
  Files           7        7              
  Lines         891      891              
==========================================
+ Hits          726      730       +4     
+ Misses        113      111       -2     
+ Partials       52       50       -2     

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[Copilot]

Pull request overview

This PR updates the golangci-lint version in the CI workflow from v2.1.6 to v2.7.2, presumably to leverage newer linting rules and bug fixes.

• Updates golangci-lint version in the GitHub Actions workflow

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