chore(deps): bump CodSpeedHQ/action from 4 to 4.19.1

[dependabot]

Bumps CodSpeedHQ/action from 4 to 4.19.1.

Release notes

Sourced from CodSpeedHQ/action's releases.

v4.19.1

Release Notes

This release ships improvements for the memory instrument.

The memory instrument now lazily attaches to allocators, which lowers the startup time to a few seconds (down from minutes on certain systems). Additionally, we shipped a series of serialization improvements, removing in some large benchmarks 3+ minutes of extra CI time.

🐛 Bug Fixes

• Track successful posix_memalign allocations (#470) by @​not-matthias in #470
• Prompt sudo on interactive stdin (#459) by @​not-matthias in #459
• Reject empty command before executor setup (#467) by @​not-matthias in #467

⚙️ Internals

• chore: bump runner version to 4.19.1 by @​github-actions[bot] in CodSpeedHQ/action#225

💼 Other

• Bump the memtrack pin to 1.3.0 by @​adriencaccia in #474

Install codspeed-runner 4.19.1

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/codspeed/releases/download/v4.19.1/codspeed-runner-installer.sh | sh

Download codspeed-runner 4.19.1

File	Platform	Checksum
codspeed-runner-aarch64-apple-darwin.tar.gz	Apple Silicon macOS	checksum
codspeed-runner-aarch64-unknown-linux-musl.tar.gz	ARM64 MUSL Linux	checksum
codspeed-runner-x86_64-unknown-linux-musl.tar.gz	x64 MUSL Linux	checksum

Full Runner Changelog: https://github.com/CodSpeedHQ/codspeed/blob/main/CHANGELOG.md

Full Changelog: CodSpeedHQ/action@v4.19.0...v4.19.1

v4.19.0

Release Notes

This release adds a new --experimental-exclude-allocations feature to remove allocator time from Simulation benchmarks.

🚀 Features

• Remove eager allocator discovery by @​not-matthias
• Attach allocator probes on demand via exec-mapping watcher by @​not-matthias
• Add exec-mapping watcher BPF prog and inode maps by @​not-matthias
• Add experimental --exclude-allocations setting by @​not-matthias

... (truncated)

Commits

• See full diff in compare view

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[codspeed-hq]

Merging this PR will not alter performance

⚠️ Unknown Walltime execution environment detected

Using the Walltime instrument on standard Hosted Runners will lead to inconsistent data.

For the most accurate results, we recommend using CodSpeed Macro Runners: bare-metal machines fine-tuned for performance measurement consistency.

✅ 2 untouched benchmarks

---

_{Comparing dependabot/github_actions/CodSpeedHQ/action-4.19.1 (9869997) with master (2c08c96)}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.63%. Comparing base (2c08c96) to head (9869997).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1052   +/-   ##
=======================================
  Coverage   87.63%   87.63%           
=======================================
  Files          90       90           
  Lines        9210     9210           
=======================================
  Hits         8071     8071           
  Misses       1139     1139           

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[njzjz-bot]

Reviewed the workflow diff, release provenance, and current checks. The v4 and v4.19.1 annotated tags currently resolve to the same verified upstream commit, so this makes the selected CodSpeed release explicit without changing behavior. I found no blocking issue; the git-mirror failure is unrelated infrastructure.

Process note: the Codex usage allowance is about to reset, so I am spending the remaining token budget now on this review.

Coding agent: Codex
Codex version: codex-cli 0.144.6
Model: gpt-5.6-sol
Reasoning effort: xhigh