flake.lock: Update

Flake lock file updates:

• Updated input 'nightly':
    'github:nix-community/neovim-nightly-overlay/5d66451b2345a22a9c5ab3a424d2f15a5ba4f42b?narHash=sha256-pBGMc6ZkGL4NiJAF%2Bw/PmGeSE3Zohf4vxPcfwYT5qf0%3D' (2024-07-01)
  → 'github:nix-community/neovim-nightly-overlay/97bbe0cc1dc3d8962a9d15404a3c41da0ad2a3b3?narHash=sha256-/u/dRd43l8WHW8WIEAtMf4KnayefCLpB3VpLF2FBEno%3D' (2024-07-03)
• Updated input 'nightly/flake-parts':
    'github:hercules-ci/flake-parts/c3c5ecc05edc7dafba779c6c1a61cd08ac6583e9?narHash=sha256-xwgjVUpqSviudEkpQnioeez1Uo2wzrsMaJKJClh%2BBls%3D' (2024-06-30)
  → 'github:hercules-ci/flake-parts/4e3583423212f9303aa1a6337f8dffb415920e4f?narHash=sha256-g5N1yyOSsPNiOlFfkuI/wcUjmtah%2BnxdImJqrSATjOU%3D' (2024-07-01)
• Updated input 'nightly/neovim-src':
    'github:neovim/neovim/e7020306a19a5211c834966ec067fff3b981bdb9?narHash=sha256-d89hDFBBtuQ7rwS/Q3lKYyfE0ekVCwubMN9q1qCZ3m0%3D' (2024-06-29)
  → 'github:neovim/neovim/d413038b4fd71b7a335b6653aa64d2cb6daeac7b?narHash=sha256-2%2BK/i8t4FkGCHEanISE8Q/SbLmWKp1dtpGlf44/x4m0%3D' (2024-07-02)
• Updated input 'nightly/nixpkgs':
    'github:NixOS/nixpkgs/1e3deb3d8a86a870d925760db1a5adecc64d329d?narHash=sha256-vN5xJAZ4UGREEglh3lfbbkIj%2BMPEYMuqewMn4atZFaQ%3D' (2024-06-27)
  → 'github:NixOS/nixpkgs/0f56e3221392452f2c38e3ddf2eba03abda6bf47?narHash=sha256-n0r/%2BL73jFW4Y%2BsCUerulR7VcVADnfcXdzRs7PaiIqw%3D' (2024-07-02)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/b9014df496d5b68bf7c0145d0e9b0f529ce4f2a8?narHash=sha256-xs7PlULe8O1SAcs/9e/HOjeUjBrU5FNtkAF/bSEcFto%3D' (2024-07-01)
  → 'github:nixos/nixpkgs/0f56e3221392452f2c38e3ddf2eba03abda6bf47?narHash=sha256-n0r/%2BL73jFW4Y%2BsCUerulR7VcVADnfcXdzRs7PaiIqw%3D' (2024-07-02)