gh-126312: Don't traverse frozen objects on the free-threaded build #131425

Job	Run time
Change detection / Compute changed files	12s
Check if Autoconf files are up to date	19s
Ubuntu SSL tests with OpenSSL (ubuntu-22.04, 3.0.15)	2m 44s
Check if generated files are up to date	3m 28s
Ubuntu SSL tests with OpenSSL (ubuntu-22.04, 3.1.7)	2m 36s
Ubuntu SSL tests with OpenSSL (ubuntu-22.04, 3.2.3)	2m 48s
Ubuntu SSL tests with OpenSSL (ubuntu-22.04, 3.3.2)	2m 20s
Address sanitizer (ubuntu-22.04)	8m 1s
Hypothesis tests on Ubuntu	5m 31s
Windows MSI${{ '' }}	0s
CIFuzz (address)	18m 35s
CIFuzz (undefined)	21m 7s
CIFuzz (memory)	22m 44s
Thread sanitizer / Thread sanitizer	4m 56s
Thread sanitizer (free-threading) / Thread sanitizer	7m 17s
WASI / build and test	6m 14s
Windows / build (arm64)	3m 18s
macOS (free-threading) / build and test (ghcr.io/cirruslabs/macos-runner:sonoma)	5m 13s
macOS / build and test (ghcr.io/cirruslabs/macos-runner:sonoma)	4m 20s
macOS / build and test (macos-13)	8m 44s
Ubuntu / build and test (ubuntu-22.04)	7m 47s
Windows (free-threading) / build (arm64)	3m 7s
Windows / build and test (Win32)	16m 41s
Windows (free-threading) / build and test (Win32)	24m 12s
Windows / build and test (x64)	15m 59s
Windows (free-threading) / build and test (x64)	23m 5s
Ubuntu (free-threading) / build and test (ubuntu-22.04)	9m 24s
Docs / Docs	2m 8s
Docs / Docs (Oldest Sphinx)	2m 4s
Docs / Doctest	28m 28s
All required checks pass	3s
	4h 23m 25s

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