flake.lock: Update

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/80d50fc87924c2a0d346372d242c27973cf8cdbf?narHash=sha256-3u6rEbIX9CN/5A5/mc3u0wIO1geZ0EhjvPBXmRDHqWM%3D' (2025-06-27)
  → 'github:NixOS/nixpkgs/2a2130494ad647f953593c4e84ea4df839fbd68c?narHash=sha256-Q82Ms%2BFQmgOBkdoSVm%2BFBpuFoeUAffNerR5yVV7SgT8%3D' (2025-07-08)
• Updated input 'nixvim':
    'github:nix-community/nixvim/ceb52aece5d571b37096945c2815604195a04eb4?narHash=sha256-KJsKiGfkfXFB23V26NQ1p%2BUPsexI6NKtivnrwSlWWdQ%3D' (2025-06-28)
  → 'github:nix-community/nixvim/4b068551d85cb4984fc60268a95097cf7af1ae48?narHash=sha256-Txnm5vJqZgaHpEM/9OANg1Ux4e9xHQ7iXfQ8EqtqM9s%3D' (2025-07-12)
• Updated input 'nixvim/flake-parts':
    'github:hercules-ci/flake-parts/9305fe4e5c2a6fcf5ba6a3ff155720fbe4076569?narHash=sha256-tYBdgS56eXYaWVW3fsnPQ/nFlgWi/Z2Ymhyu21zVM98%3D' (2025-06-08)
  → 'github:hercules-ci/flake-parts/77826244401ea9de6e3bac47c2db46005e1f30b5?narHash=sha256-Tyw1RjYEsp5scoigs1384gIg6e0GoBVjms4aXFfRssQ%3D' (2025-07-01)
• Updated input 'nixvim/nixpkgs':
    'github:NixOS/nixpkgs/992f916556fcfaa94451ebc7fc6e396134bbf5b1?narHash=sha256-rD/978c35JXz6JLAzciTIOCMenPumF6zrQOj4rVZeHE%3D' (2025-06-25)
  → 'github:NixOS/nixpkgs/ceb24d94c6feaa4e8737a8e2bd3cf71c3a7eaaa0?narHash=sha256-lIlUKVGCGsh0Q2EA7/6xRtKUZjaQ/ur8uUyY%2BMynHXQ%3D' (2025-07-06)

Author: github-actions[bot]