Tests

Fix typos in `Doc/extending/extending.rst` and `Doc/library/shelve.rst` #161411

Job	Run time
Change detection / Create context from changed files	11s
Sanitizers${{ '' }}	0s
Docs / Docs	2m 52s
Docs / Doctest	5m 11s
Ubuntu ${{ fromJSON(matrix.free-threading) && '(free-threading)' \|\| '' }} ${{ fromJSON(matrix.bolt) && '(bolt)' \|\| '' }}	0s
Check if Autoconf files are up to date	0s
WASI	0s
CIFuzz	0s
Windows ${{ fromJSON(matrix.free-threading) && '(free-threading)' \|\| '' }}	0s
Check if generated files are up to date	0s
Ubuntu SSL tests with AWS-LC	0s
Windows MSI${{ '' }}	0s
macOS ${{ fromJSON(matrix.free-threading) && '(free-threading)' \|\| '' }}	-1s
Cross build Linux	-1s
Address sanitizer	-1s
Hypothesis tests on Ubuntu	-1s
Ubuntu SSL tests with OpenSSL	-1s
All required checks pass	3s
	8m 12s

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