Update dependency pycryptodome to v4

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Confidence
pycryptodome (changelog)	==3.21.0 → ==4.0.0

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Release Notes

Legrandin/pycryptodome (pycryptodome)

v4.0.0: - Grenoble

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Major release, with some breaking changes. See Changelog.

v3.24.1: - Frejus

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Resolved issues

• Security: the time to create an ECDSA, EdDSA or DSA signature depended
  on the secret nonce, enough to recover the private key with a lattice attack.
  DSA signing is now about 40% slower with GMP. Thanks to Daniel Bleichenbacher.

v3.24.0: - Evreux

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New features

• Speed up KangarooTwelve by 50% for long messages (1MB or more).
• New parameter threads for Crypto.Hash.KangarooTwelve.new(),
  to hash long messages on several CPU cores (threads=0 for all of them).
  The output does not depend on the number of threads.

Resolved issues

• GH#875: Fixed the Object Identifiers (OID) for BLAKE2.
• Fixed a potential DOS attack when decrypting a password-encrypted PKCS#8 key,
  when the iteration count is enourmous. Decryption will now fail if it exceeds
  50M iterations; the limit can be changed or removed via
  the new max_iteration_count option. Thanks to afldl for reporting.
• Fixed the maximum number of bytes that GCM should encrypt. Thanks to Loganaden Velvindron.
• Fixed ECC operations on 32-bit Windows (x86) wheels: due to a compiler bug in
  Visual Studio 2022, the modular inversion skipped half of the exponent bits,
  producing wrong results.
• Fixed a bug in KangarooTwelve in the scenario where customization string is very
  long (8190 bytes or longer) and the message to hash is empty.

Other changes

• Build Windows wheel with Visual Studio 2022, from Visual Studio 2019.
• Remove support for Python 3.7.

v3.23.0: - Dunkerque

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New features

• Added cipher modes Key Wrap (KW, RFC3394) and Key Wrap with Padding (KWP, RFC5649).
  Both are defined also in NIST SP 800-38F.
• Wheels for Windows ARM.

Resolved issues

• GH#862: For HashEdDSA and Ed448, sign() and verify() modified the state of the XOF.

v3.22.0: v3.22.0 - Caen

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New features

• Added support for HPKE (RFC 9180).

Resolved issues

• GH#812: CCM ciphers will now fail before encrypting (or decrypting)
  data beyond the limit imposed by the nonce length.
• GH#846: fix infinite loop with RC4 for data larger than 4GB.
• GH#852: handle correctly invalid PEM files with less than 3 lines.

Other changes

• Remove support for Python 3.6.

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Code Review

This pull request updates the pycryptodome dependency in cloud-media-livestream/keypublisher/requirements.txt from version 3.21.0 to 4.0.0. There are no review comments, and I have no feedback to provide.