Bump Go toolchain to 1.24

[gmlewis]

This bumps the minimum version of the Go toolchain to 1.24 and should solve this issue:
https://github.com/google/go-github/actions/runs/17930082094/job/50985713799

testing scrape
go: go.mod requires go >= 1.24.0 (running go 1.23.0; GOTOOLCHAIN=local)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.12%. Comparing base (87eb999) to head (72486fc).
⚠️ Report is 3 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3721   +/-   ##
=======================================
  Coverage   91.12%   91.12%           
=======================================
  Files         187      187           
  Lines       16640    16640           
=======================================
  Hits        15164    15164           
  Misses       1291     1291           
  Partials      185      185           

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