build(nix): update flake lock

[enarx-bot[bot]]

Updated Inputs

• __fenix_3: github:nix-community/fenix/39096fe3f379036ff4a5fa198950b8e79defe939 → github:nix-community/fenix/5e70fbab6c431bd8454d336ef06ef609f4d6e6f3 (view changes)__
• __nixpkgs_4: github:nixos/nixpkgs/dfdbcc428f365071f0ca3888f6ec8c25c3792885 → github:nixos/nixpkgs/6cee3b5893090b0f5f0a06b4cf42ca4e60e5d222 (view changes)__
• __rust-analyzer-src_3: github:rust-lang/rust-analyzer/996e054f1eb1dbfc8455ecabff0f6ff22ba7f7c8 → github:rust-lang/rust-analyzer/3759c41d3c6966eb3aa18ad5916c0da65ff19641 (view changes)__