flake.lock: Update

Flake lock file updates:

• Updated input 'nightly':
    'github:nix-community/neovim-nightly-overlay/b75d6c354368841ce4291142b79882362e574f61?narHash=sha256-8MM4WF1AapF9QWDJhoXGLcEKrLE3S75QA74YEQt0A18%3D' (2024-12-08)
  → 'github:nix-community/neovim-nightly-overlay/dae2f13b6d2a39d1e56df54fabe5c6452ddf6b2a?narHash=sha256-lMWofhJTYhnqvd%2BQzeRb5J58cYGOEI%2BzzqcHybKxkWU%3D' (2024-12-09)
• Updated input 'nightly/git-hooks':
    'github:cachix/git-hooks.nix/6f4e2a2112050951a314d2733a994fbab94864c6?narHash=sha256-SVQVsbafSM1dJ4fpgyBqLZ%2BLft%2BjcQuMtEL3lQWx2Sk%3D' (2024-12-04)
  → 'github:cachix/git-hooks.nix/d8c02f0ffef0ef39f6063731fc539d8c71eb463a?narHash=sha256-%2BXTFXYlFJBxohhMGLDpYdEnhUNdxN8dyTA8WAd%2Blh2A%3D' (2024-12-08)
• Updated input 'nightly/neovim-src':
    'github:neovim/neovim/4fcc5cd34a75df9a3088c83dc1a87aa6e37051e1?narHash=sha256-JcI4DL5fn0KGX5TxoSLIxwTfi6rikRHsG/gI/7SUDIg%3D' (2024-12-07)
  → 'github:neovim/neovim/84d9f4f9f9efbfc72630f01f5f837c50fd7020d4?narHash=sha256-Nm%2B9/OZfpb4hayCz/IpAzO2waQimlt%2BkM1fMOM1viWo%3D' (2024-12-08)