build(nix): update flake lock

[enarx-bot[bot]]

Updated Inputs

• __fenix_3: github:nix-community/fenix/9c69d11badcd78710d7d8665bc3d2e1adc450ffe → github:nix-community/fenix/df0a6e4ec44b4a276acfa5a96d2a83cb2dfdc791 (view changes)__
• __nixpkgs_4: github:nixos/nixpkgs/0eeebd64de89e4163f4d3cf34ffe925a5cf67a05 → github:nixos/nixpkgs/7c67f006ea0e7d0265f16d7df07cc076fdffd91f (view changes)__
• __rust-analyzer-src_3: github:rust-lang/rust-analyzer/ff864fbb9fc21f0cdae408fe8f5b2f43141b45a7 → github:rust-lang/rust-analyzer/a5a71c75e62a0eaa1b42a376f7cf3d348cb5dec6 (view changes)__