chore(ci): switch over GitHub

[dmehala]

Description

Replace CircleCI with GitHub Actions

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.53%. Comparing base (4d64c46) to head (6418e8f).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #238      +/-   ##
==========================================
+ Coverage   87.45%   87.53%   +0.08%     
==========================================
  Files          83       83              
  Lines        5460     5463       +3     
==========================================
+ Hits         4775     4782       +7     
+ Misses        685      681       -4     

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[datadog-datadog-prod-us1]

🎯 Code Coverage
• Patch Coverage: 100.00%
• Total Coverage: 87.53%

View detailed report

_{This comment will be updated automatically if new data arrives.
🔗 Commit SHA: 6418e8f | Docs | Was this helpful? Give us feedback!}

[cataphract]

This will impact system-tests, as they download the latest master build: https://github.com/DataDog/system-tests/blob/0cf6d9080f3b90b12c96c793a459d83e53cae8fb/utils/scripts/load-binary.sh#L301

[dmehala]

This will impact system-tests, as they download the latest master build: https://github.com/DataDog/system-tests/blob/0cf6d9080f3b90b12c96c793a459d83e53cae8fb/utils/scripts/load-binary.sh#L301

This is dd-trace-cpp. It seems like system-tests clone the repo.

[pr-commenter]

Benchmarks

Benchmark execution time: 2025-09-14 09:49:14

Comparing candidate commit 6418e8f in PR branch dmehala/switch-over-gh-action with baseline commit 9174376 in branch main.

Found 0 performance improvements and 0 performance regressions! Performance is the same for 1 metrics, 0 unstable metrics.