flake.lock: Update

Flake lock file updates:

• Updated input 'flake-parts':
    'github:hercules-ci/flake-parts/9305fe4e5c2a6fcf5ba6a3ff155720fbe4076569?narHash=sha256-tYBdgS56eXYaWVW3fsnPQ/nFlgWi/Z2Ymhyu21zVM98%3D' (2025-06-08)
  → 'github:hercules-ci/flake-parts/644e0fc48951a860279da645ba77fe4a6e814c5e?narHash=sha256-TVcTNvOeWWk1DXljFxVRp%2BE0tzG1LhrVjOGGoMHuXio%3D' (2025-07-21)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/a676066377a2fe7457369dd37c31fd2263b662f4?narHash=sha256-zW/OFnotiz/ndPFdebpo3X0CrbVNf22n4DjN2vxlb58%3D' (2025-06-26)
  → 'github:NixOS/nixpkgs/92c2e04a475523e723c67ef872d8037379073681?narHash=sha256-yLuz5cz5Z%2Bsn8DRAfNkrd2Z1cV6DaYO9JMrEz4KZo/c%3D' (2025-07-21)

Author: nixvim-ci[bot]

flake.lock

@@ -1,14 +1,9 @@
 # DO NOT MODIFY!
 # This file was generated by update-scripts/version-info/default.nix
-nixpkgs_rev = "a676066377a2fe7457369dd37c31fd2263b662f4"
+nixpkgs_rev = "92c2e04a475523e723c67ef872d8037379073681"
 release = "25.05"
 unstable = false
 
-[versions."24.11"]
-branch = "nixos-24.11"
-channel = "nixos-24.11"
-status = "deprecated"
-
 [versions."25.05"]
 branch = "nixos-25.05"
 channel = "nixos-25.05"