Log Message:
py-cryptodome: updated to 3.9.6

3.9.6:

Resolved issues
* Fix building of wheels for OSX by explicitly setting `sysroot` location.

3.9.5:

Resolved issues
* RSA OAEP decryption was not verifying that all ``PS`` bytes are zero.
* GH-372: fixed memory leak for operations that use memoryviews when `cffi` is \ 
not installed.
* Fixed wrong ASN.1 OID for HMAC-SHA512 in PBE2.

New features
* Updated Wycheproof test vectors to version 0.8r12.