fix(deps): update rust crate ssh-key to 0.6.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
ssh-key (source)	dependencies	minor	0.5.1 -> 0.6.0

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Release Notes

RustCrypto/SSH (ssh-key)

v0.6.7

Fixed

• Parsing AuthorizedKeys with whitespace in comments (#​289)
• mpint decoding in ECDSA signatures (#​290, #​291)

v0.6.6

Added

• impl decode_as for KeypairData (#​211)

Changed

• clarify SSH vs OpenSSH formats (#​206)

Fixed

• fix certificate::OptionsMap encoding (#​207)
• fixup EcdsaPrivateKey Debug impl (#​210)

v0.6.5

Added

• Sk* constructors (#​201, #​204)

Changed

• Simplify DSA signature encoding (#​193)

Fixed

• Correct erroneous signature constants (#​202)

v0.6.4

Added

• Algorithm::Other signature support (#​189)

Fixed

• Add newline to PublicKey::write_openssh_file output (#​188)
• DsaKeypair::try_sign format error (#​191)

v0.6.3

Added

• SkEcdsaSha2NistP256 signature validation (#​169)
• p521 feature (#​180)

Changed

• Maximum certificate timestamp time is now i64::MAX (#​175)

Fixed

• Handle leading zeroes in Mpint::from_positive_bytes (#​171)

v0.6.2

Added

• SshSig usage examples (#​166, #​167)

v0.6.1

Fixed

• minimal-versions correctness for sec1 dependency (#​154)

v0.6.0

Added

• Partial support for U2F signature verification (#​44)
• Support for aes256-gcm@openssh.com encryption (#​75)
• "randomart" public key fingerprint visualizations (#​77)
• PrivateKey::encrypt_with_cipher (#​79)
• Propagate ssh_key::Error through signature::Error (#​82)
• crypto feature (#​83)
• Support for AES-CBC, ChaCha20Poly1305, and TDES encryption (#​118)
• Basic support for nonstandard SSH key algorithms (#​136)
• Impl Hash for PublicKey and its parts (#​145, #​149)

Changed

• Bump signature crate dependency to v2 (#​58)
• Use ssh_key::Error as error type for TryFrom<&[u8]> impl on Signature (#​59)
• Bump elliptic curve and password hash deps; MSRV 1.65 (#​66)
  • bcrypt-pbkdf v0.10
  • dsa v0.6
  • p256 v0.13
  • p384 v0.13
  • sec1 v0.7
• Use &mut impl CryptoRngCore for RNGs (#​67)
• Make certificate::Builder::new fallible (#​71)
• Rename MPInt => Mpint (#​76)
• Split AlgorithmUnknown and AlgorithmUnsupported (#​81)
• Bump rsa dependency to v0.9 (#​107)
• Extract symmetric encryption into ssh-cipher crate (#​125)
• Bump ed25519-dalek dependency to v2 (#​146)
• Bump ssh-encoding dependency to v0.2 (#​147)

Fixed

• DSA signature encoding (#​115)
• certificate::Builder::new_with_validity_times (#​143)

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