flake.lock: Update

[tirimia]

Automated changes by the update-flake-lock GitHub Action.

Flake lock file updates:

• Updated input 'nightly-overlay':
    'github:nix-community/neovim-nightly-overlay/25aca068d0bd63c6db17c29bd3641256ea62a2c1?narHash=sha256-eXI81wCtybqgK05ky5/tmj4AZDKmtoNQcGZEX0vnoe8%3D' (2024-09-20)
  → 'github:nix-community/neovim-nightly-overlay/b46f92d869af832f80df27ca0caecbfb8edd6939?narHash=sha256-7pjaBPnUaCWxlER2dyl3wjpSuRm45sTjbiW8GpWe4h0%3D' (2024-09-21)
• Updated input 'nightly-overlay/neovim-src':
    'github:neovim/neovim/f01c764cc6f82399edfa0d47a7bafbf7c95e2747?narHash=sha256-SMRChiJK6Td%2BTtiphiXP%2Bfc8ZNElfmAeHTF2y2y9y9w%3D' (2024-09-19)
  → 'github:neovim/neovim/059a9e62547e1fb4dc915da258b24844a6bfcd54?narHash=sha256-ov0UUzJadKtGCLDQBvRL3XJ/j%2BfEucq%2BTZSMSOfxxIQ%3D' (2024-09-21)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/294eb5975def0caa718fca92dc5a9d656ae392a9?narHash=sha256-WO6Lmbn37PlamY2fDg3B187THkSKU/W01z8SxoIqJd0%3D' (2024-09-18)
  → 'github:NixOS/nixpkgs/a1d92660c6b3b7c26fb883500a80ea9d33321be2?narHash=sha256-V5LpfdHyQkUF7RfOaDPrZDP%2Boqz88lTJrMT1%2BstXNwo%3D' (2024-09-20)

Running GitHub Actions on this PR

GitHub Actions will not run workflows on pull requests which are opened by a GitHub Action.

To run GitHub Actions workflows on this PR, run:

git branch -D update_flake_lock_action
git fetch origin
git checkout update_flake_lock_action
git commit --amend --no-edit
git push origin update_flake_lock_action --force