build(nix): update flake lock

[enarx-bot[bot]]

Updated Inputs

• __fenix_3: github:nix-community/fenix/a2ea120926a1234ec804c090f90312e0ec2d4541 → github:nix-community/fenix/06776a448cfdee8ed146305369c1810cd7c82799 (view changes)__
• __nixpkgs_4: github:nixos/nixpkgs/78419edadf0fabbe5618643bd850b2f2198ed060 → github:nixos/nixpkgs/3c7487575d9445185249a159046cc02ff364bff8 (view changes)__
• __rust-analyzer-src_3: github:rust-lang/rust-analyzer/aa91eda9028758839487ad0f0eb120944a549ff3 → github:rust-lang/rust-analyzer/fdb8aa2ea6aa4335f4b7251f0ac02c946833b095 (view changes)__