Tests

Improve error messages when the WASI SDK can't be found #191842

Job	Run time
Change detection / Create context from changed files	12s
Check if generated files are up to date	4m 34s
Check if Autoconf files are up to date	36s
C API Docs / Check if all C APIs are documented	11s
WASI / build and test	5m 40s
Windows MSI${{ '' }}	0s
iOS	0s
Ubuntu SSL tests	0s
Sanitizers${{ '' }}	0s
Hypothesis tests on Ubuntu	0s
Emscripten	0s
Ubuntu ${{ ((fromJSON(matrix.free-threading) && '(free-threading)') \|\| '') }} ${{ ((fromJSON(matrix.bolt) && '(bolt)') \|\| '') }}	0s
Cross build Linux	0s
Windows ${{ ((fromJSON(matrix.free-threading) && '(free-threading)') \|\| '') }}	0s
macOS ${{ ((fromJSON(matrix.free-threading) && '(free-threading)') \|\| '') }}	0s
Docs	0s
Address sanitizer	0s
Android (${{ matrix.arch }})	0s
CIFuzz${{ '' }}	0s
All required checks pass	5s
	11m 18s

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