Switch to trusted publishing for pypi #1509

Job	Run time
Checks	1m 13s
Wheel on macos-latest py-3.7	4m 0s
Wheel on ubuntu-latest py-3.7	3m 47s
Wheel on windows-latest py-3.7	4m 27s
Run fuzz targets (macos-latest, 3.7)	44m 4s
Run fuzz targets (ubuntu-latest, 3.7)	25m 52s
coverage	20m 12s
Unit tests (macos-latest, 3.7)	8m 21s
Unit tests (ubuntu-latest, 3.7)	4m 54s
Unit tests (windows-latest, 3.7)	10m 59s
	2h 7m 49s

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