flake.lock: Update

Flake lock file updates:

• Updated input 'crane':
    'github:ipetkov/crane/25bd41b24426c7734278c2ff02e53258851db914?narHash=sha256-FCRRAzSaL/%2BumLIm3RU3O/%2BfJ2ssaPHseI2SSFL8yZU%3D' (2025-08-23)
  → 'github:ipetkov/crane/d599ae4847e7f87603e7082d73ca673aa93c916d?narHash=sha256-kTdCCMuRE%2B/HNHES5JYsbRHmgtr%2Bl9mOtf5dpcMppVc%3D' (2025-09-06)
• Updated input 'fenix':
    'github:nix-community/fenix/9f42df6d931262bc814ef681bcac6de779bebaeb?narHash=sha256-1Eb53rxrULE1%2BMTHhxJTPNMwKKD6bkROd98L8LgMtCM%3D' (2025-08-30)
  → 'github:nix-community/fenix/22cabbc275cf8b258ec6e2be58553853e2ee005d?narHash=sha256-etrTo3sL%2BaHWeG9ct9NGJpgW4qv84ajwQRKv4gGmkao%3D' (2025-09-06)
• Updated input 'fenix/rust-analyzer-src':
    'github:rust-lang/rust-analyzer/67a58fdfebd72f4f9f737f2715ab21a260d88383?narHash=sha256-5U2p%2BgLtH17qtAZY1bdY0snoN/gRlQ8nH3LO%2BYw3hCk%3D' (2025-08-29)
  → 'github:rust-lang/rust-analyzer/a53b44412d4643cdec41005129735b38737eb296?narHash=sha256-JMLa0ZsbEd3%2B3E0/PQj/igVi9%2Bpb98TgxaOEEw%2Bt1bo%3D' (2025-09-05)
• Updated input 'nickel':
    'github:tweag/nickel/aa76d8e22b6d6b03045c53641849e12fa815c304?narHash=sha256-kDMFPHljLZfQTi1Yn/tWfxLwg5L/8fP%2BWbTdI3pbIzY%3D' (2025-08-29)
  → 'github:tweag/nickel/21a2c8039c4611b85fbe4d4069f74c8a2124d1b5?narHash=sha256-ORKHIWoEhYgK%2B2oDuZCyKHTaQzxtLo0BmeVE/6kh9rg%3D' (2025-09-04)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/a918bb3594dd243c2f8534b3be01b3cb4ed35fd1?narHash=sha256-ynQxPVN2FIPheUgTFhv01gYLbaiSOS7NgWJPm9LF9D0%3D' (2025-08-30)
  → 'github:nixos/nixpkgs/c6a788f552b7b7af703b1a29802a7233c0067908?narHash=sha256-6n/n1GZQ/vi%2BLhFXMSyoseKdNfc2QQaSBXJdgamrbkE%3D' (2025-09-03)
• Updated input 'topiary':
    'github:tweag/topiary/439f0d15571140dc29c1d5893d262c94470fb93f?narHash=sha256-WDl2GMTQgUTMqIBTYXt%2BUbIS1LMo9%2B9rp0HeYVGllWQ%3D' (2025-08-29)
  → 'github:tweag/topiary/da61c2f74f3ed9660c72d8670a025b8a22f548ef?narHash=sha256-Vpcxjg4TEZa0%2Bp6dpN/YtuwRNLkx6yT0Gy4Cs4P2ssY%3D' (2025-09-03)

Author: github-actions[bot]