feat: add derive key subcommand

[Manuthor]

No description provided.

[Copilot]

Pull Request Overview

This PR adds a new derive-key subcommand to the Cosmian KMS CLI, enabling users to derive new cryptographic keys from existing keys using PBKDF2 or HKDF derivation methods. The implementation supports configurable parameters like salt, iteration count, digest algorithms, and key lengths.

Key changes include:

• Addition of derive-key functionality with support for PBKDF2 and HKDF methods
• Comprehensive test suite covering various derivation scenarios
• Updated documentation to reflect the new command structure

Reviewed Changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
kms	Updated KMS submodule reference to include derive-key functionality
documentation/docs/cli/main_commands.md	Added documentation for new derive-key subcommand and renumbered existing sections
crate/cli/src/tests/kms/mod.rs	Added derive_key test module reference
crate/cli/src/tests/kms/derive_key/mod.rs	Created module structure for derive-key tests
crate/cli/src/tests/kms/derive_key/derive_key_tests.rs	Implemented comprehensive test suite for key derivation functionality
.pre-commit-config.yaml	Updated cargo-deny version from 0.18.4 to 0.18.2