Cardano Updates

Bumps [cachix/install-nix-action](https://github.com/cachix/install-nix-action) from 17 to 31.
- [Release notes](https://github.com/cachix/install-nix-action/releases)
- [Changelog](https://github.com/cachix/install-nix-action/blob/master/RELEASE.md)
- [Commits](https://github.com/cachix/install-nix-action/compare/v17...v31)

---
updated-dependencies:
- dependency-name: cachix/install-nix-action
  dependency-version: '31'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Bumps [actions/cache](https://github.com/actions/cache) from 3 to 5.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](https://github.com/actions/cache/compare/v3...v5)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Bumps [DeterminateSystems/update-flake-lock](https://github.com/determinatesystems/update-flake-lock) from 14 to 28.
- [Release notes](https://github.com/determinatesystems/update-flake-lock/releases)
- [Commits](https://github.com/determinatesystems/update-flake-lock/compare/v14...v28)

---
updated-dependencies:
- dependency-name: DeterminateSystems/update-flake-lock
  dependency-version: '28'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v3...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Flake lock file updates:

• Updated input 'flake-compat':
    'github:edolstra/flake-compat/b4a34015c698c7793d592d66adbab377907a2be8?narHash=sha256-Z%2Bs0J8/r907g149rllvwhb4pKi8Wam5ij0st8PwAh%2BE%3D' (2022-04-19)
  → 'github:edolstra/flake-compat/5edf11c44bc78a0d334f6334cdaf7d60d732daab?narHash=sha256-vNpUSpF5Nuw8xvDLj2KCwwksIbjua2LZCqhV1LNRDns%3D' (2025-12-29)
• Updated input 'flake-utils':
    'github:numtide/flake-utils/c0e246b9b83f637f4681389ecabcb2681b4f3af0?narHash=sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc%3D' (2022-08-07)
  → 'github:numtide/flake-utils/11707dc2f618dd54ca8739b309ec4fc024de578b?narHash=sha256-l0KFg5HjrsfsO/JpG%2Br7fRrqm12kzFHyUHqHCVpMMbI%3D' (2024-11-13)
• Added input 'flake-utils/systems':
    'github:nix-systems/default/da67096a3b9bf56a91d16901293e51ba5b49a27e?narHash=sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768%3D' (2023-04-09)
• Updated input 'naersk':
    'github:nix-community/naersk/6944160c19cb591eb85bbf9b2f2768a935623ed3?narHash=sha256-9o2OGQqu4xyLZP9K6kNe1pTHnyPz0Wr3raGYnr9AIgY%3D' (2022-09-03)
  → 'github:nix-community/naersk/9d4ed44d8b8cecdceb1d6fd76e74123d90ae6339?narHash=sha256-88IFXZ7Sa1vxbz5pty0Io5qEaMQMMUPMonLa3Ls/ss4%3D' (2026-01-30)
• Added input 'naersk/fenix':
    'github:nix-community/fenix/bf0d6f70f4c9a9cf8845f992105652173f4b617f?narHash=sha256-z6QEu4ZFuHiqdOPbYss4/Q8B0BFhacR8ts6jO/F/aOU%3D' (2025-07-14)
• Added input 'naersk/fenix/nixpkgs':
    follows 'naersk/nixpkgs'
• Added input 'naersk/fenix/rust-analyzer-src':
    'github:rust-lang/rust-analyzer/591e3b7624be97e4443ea7b5542c191311aa141d?narHash=sha256-EJcdxw3aXfP8Ex1Nm3s0awyH9egQvB2Gu%2BQEnJn2Sfg%3D' (2025-07-13)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/7e52b35fe98481a279d89f9c145f8076d049d2b9?narHash=sha256-haixZ4TJLu1Dciow54wrHrHvlGDVr5sW6MTeAV/ZLuI%3D' (2022-09-27)
  → 'github:NixOS/nixpkgs/dd9b079222d43e1943b6ebd802f04fd959dc8e61?narHash=sha256-I45esRSssFtJ8p/gLHUZ1OUaaTaVLluNkABkk6arQwE%3D' (2026-02-27)
• Updated input 'pre-commit-hooks':
    'github:cachix/pre-commit-hooks.nix/60cad1a326df17a8c6cf2bb23436609fdd83024e?narHash=sha256-lmCCIu4dj59qbzkGKHQtolhpIEQMeAd2XUbXVPqgPYo%3D' (2022-09-13)
  → 'github:cachix/pre-commit-hooks.nix/6e34e97ed9788b17796ee43ccdbaf871a5c2b476?narHash=sha256-%2BeXlIc4/7dE6EcPs9a2DaSY3fTA9AE526hGqkNID3Wg%3D' (2026-02-25)
• Added input 'pre-commit-hooks/flake-compat':
    'github:NixOS/flake-compat/5edf11c44bc78a0d334f6334cdaf7d60d732daab?narHash=sha256-vNpUSpF5Nuw8xvDLj2KCwwksIbjua2LZCqhV1LNRDns%3D' (2025-12-29)
• Removed input 'pre-commit-hooks/flake-utils'
• Added input 'pre-commit-hooks/gitignore':
    'github:hercules-ci/gitignore.nix/637db329424fd7e46cf4185293b9cc8c88c95394?narHash=sha256-HG2cCnktfHsKV0s4XW83gU3F57gaTljL9KNSuG6bnQs%3D' (2024-02-28)
• Added input 'pre-commit-hooks/gitignore/nixpkgs':
    follows 'pre-commit-hooks/nixpkgs'
• Updated input 'rust-overlay':
    'github:oxalica/rust-overlay/1601b5a28c50fd9d40bd61b8878f3499e09bce7a?narHash=sha256-hCSvJeoWZZbBTCR/QyazP%2BVzGHpuKfcgaPx2hQ90w7s%3D' (2022-09-29)
  → 'github:oxalica/rust-overlay/a1ab5e89ab12e1a37c0b264af6386a7472d68a15?narHash=sha256-x6IFQ9bL7YYfW2m2z8D3Em2YtAA3HE8kiCFwai2fwrw%3D' (2026-02-28)
• Removed input 'rust-overlay/flake-utils'