flake.lock: Update

Flake lock file updates:

• Updated input 'challenges-ms-develop':
    'github:Bootstrap-Academy/challenges-ms/853851b028e56f297eb77171c4f1f1c999ddfab6' (2024-02-25)
  → 'github:Bootstrap-Academy/challenges-ms/1c139e34448f5290a85740a3250b96df3b7dd83b' (2024-03-08)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/c8e74c2f83fe12b4e5a8bd1abbc090575b0f7611' (2024-02-28)
  → 'github:NixOS/nixpkgs/2be119add7b37dc535da2dd4cba68e2cf8d1517e' (2024-03-08)
• Updated input 'sandkasten':
    'github:Defelo/sandkasten/9ae998b78ddec734fcdf34f385d07d43b435fa33' (2024-02-25)
  → 'github:Defelo/sandkasten/cff41afc5b180d6b938aa7a130dd60c4c7c41612' (2024-03-08)
• Updated input 'sandkasten/fenix':
    'github:nix-community/fenix/a941fe943bd7c4c683d8aa8e1a3a1d0595516051' (2024-02-24)
  → 'github:nix-community/fenix/f70eee0e38bc2287687c853df9b4ed6f6a028eb0' (2024-03-02)
• Updated input 'sandkasten/fenix/nixpkgs':
    'github:nixos/nixpkgs/cbc4211f0afffe6dfd2478a62615dd5175a13f9a' (2024-02-23)
  → 'github:nixos/nixpkgs/1536926ef5621b09bba54035ae2bb6d806d72ac8' (2024-02-29)
• Updated input 'sandkasten/fenix/rust-analyzer-src':
    'github:rust-lang/rust-analyzer/03b3cb6be9f21c082f4206b35c7fe7f291c94eaa' (2024-02-23)
  → 'github:rust-lang/rust-analyzer/79e0fee6a30a5f563e9b709cc5959694709e19c4' (2024-03-01)
• Updated input 'sandkasten/nixpkgs':
    'github:NixOS/nixpkgs/89a2a12e6c8c6a56c72eb3589982c8e2f89c70ea' (2024-02-25)
  → 'github:NixOS/nixpkgs/9a0aa4020d1558ff0439de7e07d2caf53147b490' (2024-03-02)
• Updated input 'sandkasten/nixpkgs-master':
    'github:NixOS/nixpkgs/7794d8a78570335f10b0f97ae72b14b33c6addc2' (2024-02-24)
  → 'github:NixOS/nixpkgs/a0a754e1dfc3e9a063b117c0139e5627bb2aa480' (2024-03-03)
• Updated input 'sops-nix':
    'github:Mic92/sops-nix/a1c8de14f60924fafe13aea66b46157f0150f4cf' (2024-02-26)
  → 'github:Mic92/sops-nix/25dd60fdd08fcacee2567a26ba6b91fe098941dc' (2024-03-06)
• Updated input 'sops-nix/nixpkgs':
    'github:NixOS/nixpkgs/f63ce824cd2f036216eb5f637dfef31e1a03ee89' (2024-02-24)
  → 'github:NixOS/nixpkgs/458b097d81f90275b3fdf03796f0563844926708' (2024-03-02)
• Updated input 'sops-nix/nixpkgs-stable':
    'github:NixOS/nixpkgs/89a2a12e6c8c6a56c72eb3589982c8e2f89c70ea' (2024-02-25)
  → 'github:NixOS/nixpkgs/66d65cb00b82ffa04ee03347595aa20e41fe3555' (2024-03-03)