Merge `main` into `release/6.3`#9401

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github-actions[bot] wants to merge 9 commits intorelease/6.3from

automerge/merge-main-2025-11-19_15-10

Commits on Nov 13, 2025

Use the correct build path suffix across all platforms
jakepetroules
committed
Revert "Optional xcframework support for Linux" (#9374)
daveinglis
authored
Add experimental max parallelization width option for Swift Testing. (#9361)
grynspan
authored

Commits on Nov 14, 2025

Optional xcframework support for Linux (#9375)
vsarunas
authored

Commits on Nov 17, 2025

bootstrap - add swift-tools-protocols (#9371)
owenv
authored

Commits on Nov 18, 2025

Commits on Nov 19, 2025

[CI] Add support for GitHub Actions (#9391)
shahmishal
authored