#2864 .github/workflows: Migrate workflows to Blacksmith runners

This PR has been automatically generated by a team member in your GitHub organization using Blacksmith's Migration Wizard. This PR changes the following:

1. Your selected workflows will now run on Blacksmith's 2x faster hardware (e.g., runs-on: blacksmith-4vcpu-ubuntu-2204). Learn more about the different instances available to choose from.
2. Your jobs running on Blacksmith will now have all official GitHub and popular third-party cache actions automatically interact with our 4x faster, colocated cache. Learn more about Blacksmith's actions cache.
3. Your GitHub Actions will now actually be observable. Learn more about Blacksmith's logging and other observability features.
4. Your Docker builds will now automatically share their Docker layer cache, resulting in up to 40x faster builds. Learn more about Blacksmith's Docker layer caching.

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Summary by CodeRabbit

• Chores
  • Updated build, deployment, testing, publishing, and release automation to use dedicated Linux and macOS runners.
  • Improved workflow concurrency grouping across branches and trigger types without cancelling in-progress runs.
  • Enhanced parallel test execution to continue remaining checks after individual shard failures.
  • Refined Windows CLI validation, timeouts, and artifact naming for clearer platform-specific results.
  • Kept benchmark execution on GitHub-hosted runners for consistent performance comparisons.
  • Added runner configuration to support the updated automation infrastructure.