gh-82378: Document the difference between sys.tracebacklimit and the … #123460

Job	Run time
Change detection / Compute changed files	9s
Check if generated files are up to date	2m 15s
Docs	0s
Address sanitizer	7m 11s
Ubuntu SSL tests with OpenSSL (1.1.1w)	1m 53s
Ubuntu SSL tests with OpenSSL (3.0.13)	2m 1s
Hypothesis tests on Ubuntu	5m 13s
Windows MSI${{ '' }}	0s
Ubuntu SSL tests with OpenSSL (3.1.5)	1m 51s
Ubuntu SSL tests with OpenSSL (3.2.1)	2m 1s
CIFuzz	0s
WASI / build and test	5m 23s
Thread sanitizer / Thread sanitizer	3m 21s
Thread sanitizer (free-threading) / Thread sanitizer	7m 6s
macOS (free-threading) / build and test (ghcr.io/cirruslabs/macos-runner:sonoma)	4m 55s
macOS / build and test (ghcr.io/cirruslabs/macos-runner:sonoma)	4m 40s
macOS / build and test (macos-13)	10m 58s
Windows / build (arm64)	2m 46s
Windows (free-threading) / build (arm64)	2m 7s
Windows / build and test (Win32)	16m 0s
Windows (free-threading) / build and test (Win32)	23m 20s
Windows / build and test (x64)	15m 12s
Windows (free-threading) / build and test (x64)	22m 21s
Ubuntu / build and test	6m 55s
Ubuntu (free-threading) / build and test	9m 39s
All required checks pass	4s
	2h 37m 21s

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