Bump openssl from 0.10.64 to 0.10.66 #1859

Job	Run time
Checks	48s
Wheel on macos-12 py-3.8	3m 7s
coverage	8m 22s
Wheel on ubuntu-latest py-3.8	2m 51s
Run fuzz targets (macos-12, 3.8)	18m 20s
Wheel on windows-latest py-3.8	2m 40s
Unit tests (macos-12, 3.8)	5m 59s
Run fuzz targets (ubuntu-latest, 3.8)	13m 44s
Unit tests (ubuntu-latest, 3.8)	4m 10s
Unit tests (windows-latest, 3.8)	8m 24s
Upload to PyPI	24s
	1h 8m 49s

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