Update dependency pyopenssl to v23.3.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
pyopenssl (source)	23.2.0 -> 23.3.0

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Release Notes

pyca/pyopenssl (pyopenssl)

v23.3.0

Compare Source

Backward-incompatible changes:
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

• Dropped support for Python 3.6.
• The minimum cryptography version is now 41.0.5.
• Removed OpenSSL.crypto.loads_pkcs7 and OpenSSL.crypto.loads_pkcs12 which had been deprecated for 3 years.
• Added OpenSSL.SSL.OP_LEGACY_SERVER_CONNECT to allow legacy insecure renegotiation between OpenSSL and unpatched servers.
  #&#8203;1234 <https://github.com/pyca/pyopenssl/pull/1234>_.

Deprecations:
^^^^^^^^^^^^^

• Deprecated OpenSSL.crypto.PKCS12 (which was intended to have been deprecated at the same time as OpenSSL.crypto.load_pkcs12).
• Deprecated OpenSSL.crypto.NetscapeSPKI.
• Deprecated OpenSSL.crypto.CRL
• Deprecated OpenSSL.crypto.Revoked
• Deprecated OpenSSL.crypto.load_crl and OpenSSL.crypto.dump_crl
• Deprecated OpenSSL.crypto.sign and OpenSSL.crypto.verify
• Deprecated OpenSSL.crypto.X509Extension

Changes:
^^^^^^^^

• Changed OpenSSL.crypto.X509Store.add_crl to also accept
  cryptography's x509.CertificateRevocationList arguments in addition
  to the now deprecated OpenSSL.crypto.CRL arguments.
• Fixed test_set_default_verify_paths test so that it is skipped if no
  network connection is available.

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