[deps]: Update Rust crate ed25519-dalek to v3

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
ed25519-dalek (source)	workspace.dependencies	major	=2.2.0 → =3.0.0

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Release Notes

dalek-cryptography/curve25519-dalek (ed25519-dalek)

v3.0.0

Breaking Changes

• Update edition to 2024
• Update the MSRV from 1.60 to 1.85
• Remove std feature now that error::Error is in core
• Make signing and verifying keys use pkcs8::spki::SignatureAlgorithmIdentifier instead of DynSignatureAlgorithmIdentifier (#​779)
• Upgrade ed25519 dependency to v3.0.0
• Upgrade signature dependency to v3.0.0
• Upgrade sha2 and sha3 dependencies to v0.11
• Upgrade getrandom dependency to v0.4
• Upgrade chacha20 dependency to v0.10
• Upgrade rand_core dependency to v0.10.0

Other Changes

• Re-export rand_core (#​908)
• Add allocation-free EdwardsPoint::compress_batch (#​832)
• Add strobe-rs dependency and delete vendored STROBE impl (#​895)
• Impl MultipartSigner and MultipartVerifier for SigningKey and VerifyingKey (#​764)
• Impl KeySizeUser, TryKeyInit, and Generate for SigningKey. Also impl KeySizeUser for VerifyingKey #​733

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