Tests

Add whatsnew text for warnings module changes. #158789

Job	Run time
Change detection / Create context from changed files	13s
Docs / Doctest	5m 43s
Docs / Docs	1m 46s
Cross build Linux	-1s
Check if Autoconf files are up to date	-1s
CIFuzz	-1s
macOS ${{ fromJSON(matrix.free-threading) && '(free-threading)' \|\| '' }}	-1s
Ubuntu ${{ fromJSON(matrix.free-threading) && '(free-threading)' \|\| '' }} ${{ fromJSON(matrix.bolt) && '(bolt)' \|\| '' }}	-1s
WASI	-1s
Ubuntu SSL tests with OpenSSL	-1s
Windows ${{ fromJSON(matrix.free-threading) && '(free-threading)' \|\| '' }}	-1s
Hypothesis tests on Ubuntu	-1s
Undefined behavior sanitizer	-1s
Check if generated files are up to date	-1s
Address sanitizer	-1s
Windows MSI${{ '' }}	-1s
Thread sanitizer ${{ fromJSON(matrix.free-threading) && '(free-threading)' \|\| '' }}	-1s
All required checks pass	2s
	7m 30s

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