Tests

Add internal doc describing the stack protection mechanism #163583

Job	Run time
Change detection / Create context from changed files	14s
Docs / Docs	1m 44s
Docs / Doctest	6m 7s
Docs / Check EPUB	2m 2s
Ubuntu SSL tests with AWS-LC	-1s
Check if generated files are up to date	-1s
Sanitizers${{ '' }}	-1s
Windows MSI${{ '' }}	-1s
Cross build Linux	-1s
CIFuzz	-1s
Ubuntu ${{ fromJSON(matrix.free-threading) && '(free-threading)' \|\| '' }} ${{ fromJSON(matrix.bolt) && '(bolt)' \|\| '' }}	-1s
WASI	-1s
Check if Autoconf files are up to date	-1s
Android (${{ matrix.arch }})	-1s
macOS ${{ fromJSON(matrix.free-threading) && '(free-threading)' \|\| '' }}	-1s
Windows ${{ fromJSON(matrix.free-threading) && '(free-threading)' \|\| '' }}	-1s
Address sanitizer	-1s
Hypothesis tests on Ubuntu	-1s
Ubuntu SSL tests with OpenSSL	-1s
All required checks pass	5s
	9m 57s

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