gh-126366: Make native generators thread safe #131518

Job	Run time
Change detection / Compute changed files	10s
Check if generated files are up to date	3m 22s
Ubuntu SSL tests with OpenSSL (ubuntu-22.04, 3.0.15)	2m 15s
Windows MSI${{ '' }}	0s
Ubuntu SSL tests with OpenSSL (ubuntu-22.04, 3.1.7)	2m 16s
Check if Autoconf files are up to date	24s
Ubuntu SSL tests with OpenSSL (ubuntu-22.04, 3.2.3)	2m 21s
Ubuntu SSL tests with OpenSSL (ubuntu-22.04, 3.3.2)	2m 15s
Address sanitizer (ubuntu-22.04)	7m 34s
CIFuzz (address)	18m 25s
Hypothesis tests on Ubuntu	5m 21s
CIFuzz (undefined)	22m 11s
CIFuzz (memory)	20m 32s
Thread sanitizer / Thread sanitizer	4m 28s
Thread sanitizer (free-threading) / Thread sanitizer	7m 11s
WASI / build and test	5m 37s
macOS (free-threading) / build and test (ghcr.io/cirruslabs/macos-runner:sonoma)	4m 58s
macOS / build and test (ghcr.io/cirruslabs/macos-runner:sonoma)	4m 14s
macOS / build and test (macos-13)	12m 10s
Ubuntu / build and test (ubuntu-22.04)	7m 36s
Ubuntu (free-threading) / build and test (ubuntu-22.04)	10m 0s
Windows / build (arm64)	2m 42s
Windows (free-threading) / build (arm64)	3m 13s
Windows / build and test (Win32)	16m 27s
Windows (free-threading) / build and test (Win32)	24m 25s
Windows / build and test (x64)	16m 18s
Windows (free-threading) / build and test (x64)	22m 13s
Docs / Docs	2m 3s
Docs / Docs (Oldest Sphinx)	2m 5s
Docs / Doctest	29m 28s
All required checks pass	2s
	4h 22m 16s

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