Update pyopenssl requirement from ~=21.0.0 to ~=22.0.0

Created by: dependabot[bot]

Updates the requirements on pyopenssl to permit the latest version.

Changelog

Sourced from pyopenssl's changelog.

22.0.0 (2022-01-29)

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

• Drop support for Python 2.7. [#1047](https://github.com/pyca/pyopenssl/issues/1047) <https://github.com/pyca/pyopenssl/pull/1047>_
• The minimum cryptography version is now 35.0.

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

Changes: ^^^^^^^^

• Expose wrappers for some DTLS <https://en.wikipedia.org/wiki/Datagram_Transport_Layer_Security>_ primitives. [#1026](https://github.com/pyca/pyopenssl/issues/1026) <https://github.com/pyca/pyopenssl/pull/1026>_

21.0.0 (2021-09-28)

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

• The minimum cryptography version is now 3.3.
• Drop support for Python 3.5

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

Changes: ^^^^^^^^

• Raise an error when an invalid ALPN value is set. [#993](https://github.com/pyca/pyopenssl/issues/993) <https://github.com/pyca/pyopenssl/pull/993>_
• Added OpenSSL.SSL.Context.set_min_proto_version and OpenSSL.SSL.Context.set_max_proto_version to set the minimum and maximum supported TLS version [#985](https://github.com/pyca/pyopenssl/issues/985) <https://github.com/pyca/pyopenssl/pull/985>_.
• Updated to_cryptography and from_cryptography methods to support an upcoming release of cryptography without raising deprecation warnings. [#1030](https://github.com/pyca/pyopenssl/issues/1030) <https://github.com/pyca/pyopenssl/pull/1030>_

20.0.1 (2020-12-15)

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

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

... (truncated)

Commits

• 819095f bump for 22.0.0 release (#1079)
• 41ceefb Docs: Fix param type for methods where digest is used (#1078)
• fb26edd Reduce MD5 and SHA1 dependency in tests (#1074)
• d184fbb Update variable name, there are now many linuxes (#1070)
• 8b85cfd Rename path_string to path_bytes since that's what it actually does (#1067)
• de073c6 Remove native, it's behavior is confusing (#1069)
• c175f15 Remove dead code (#1068)
• 7120bb5 Accept pathlib.Path as a valid path (#1027)
• db092ce Remove call to init_static_locks (#1066)
• a63c75a Bump actions/setup-python from 2.3.0 to 2.3.1 (#1064)
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