Metadata: escape display name in email addresses #3704

Job	Run time
Test Alpine Linux	0s
Generate Matrix	8s
Test Auditwheel	0s
Test Cross Compile	0s
Test Docker	0s
Test Bootstrap (ubuntu-latest)	8s
Test Emscripten	0s
Test Bootstrap (macos-13)	9s
Test MSRV	2m 0s
Test Bootstrap (windows-latest)	18s
Check ${{ matrix.platform.target }}	0s
Test Pyston	0s
Test (ubuntu-latest, 3.12)	20m 44s
Test (ubuntu-latest, pypy3.10)	13m 4s
Test (windows-latest, 3.12)	27m 36s
Test (windows-latest, pypy3.10)	39m 50s
conclusion	3s
	1h 44m 0s

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