chore: update flake.lock

[mrcjkb]

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

Flake lock file updates:

• Updated input 'neovim-nightly':
    'github:nix-community/neovim-nightly-overlay/4452574d52632a36458cd9c80f6303f556460221?narHash=sha256-b66lHmfaZ4lKAG5VW8wC7fba2vUs6OMRlJumO4xMEfc%3D' (2025-02-09)
  → 'github:nix-community/neovim-nightly-overlay/77482d0efef2807924c593947bdf16e303e79f42?narHash=sha256-1QL3KSEjc99%2BISyzBHHaLGjRrPkLfsFiHZBc40kAiQ8%3D' (2025-02-10)
• Updated input 'neovim-nightly/neovim-src':
    'github:neovim/neovim/59edd7c88a13d793501b88c55803da8a0ba7c739?narHash=sha256-QNlqRh8BnmSgJ6e5CRII9og%2BZ7fBfMAUbL3g66O8ZXg%3D' (2025-02-08)
  → 'github:neovim/neovim/59a171fd99a7452c8840eee55783fb6746994637?narHash=sha256-lq/xXRuVSf2ohTRCEgstJJGQX50S5C12WbYL5qj3MBU%3D' (2025-02-09)

Running GitHub Actions on this PR

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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