Update flake.lock (#12506)

flake.lock: Update

Flake lock file updates:

• Updated input 'fenix':
    'github:nix-community/fenix/3107255abfe4f2d1c3eee7a3e2f5a5eb6f2200fe?narHash=sha256-isqMvjTk3jdTHN6KA/BWQvOSVe7O35OQKAZNtLK76OY%3D' (2025-11-01)
  → 'github:nix-community/fenix/32f3ad3b6c690061173e1ac16708874975ec6056?narHash=sha256-wZUW7dlXMXaRdvNbaADqhF8gg9bAfFiMV%2BiyFQiDv%2BY%3D' (2025-11-08)
• Updated input 'fenix/rust-analyzer-src':
    'github:rust-lang/rust-analyzer/2e2e3ebec91215078de9b754363fc9a7b0fdef13?narHash=sha256-SreGV62DEv7kLJEcOBrw2V6Kup0siT4wS3Ye8PlFTdE%3D' (2025-10-31)
  → 'github:rust-lang/rust-analyzer/4bf516ee5a960c1e2eee9fedd9b1c9e976a19c86?narHash=sha256-ApIKJf6CcMsV2nYBXhGF95BmZMO/QXPhgfSnkA/rVUo%3D' (2025-11-06)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/a7fc11be66bdfb5cdde611ee5ce381c183da8386?narHash=sha256-QoJjGd4NstnyOG4mm4KXF%2BweBzA2AH/7gn1Pmpfcb0A%3D' (2025-10-31)
  → 'github:NixOS/nixpkgs/ffcdcf99d65c61956d882df249a9be53e5902ea5?narHash=sha256-lz718rr1BDpZBYk7%2BG8cE6wee3PiBUpn8aomG/vLLiY%3D' (2025-11-05)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]