flake.lock: Update

Flake lock file updates:

• Updated input 'typelevel-nix':
    'github:typelevel/typelevel-nix/c2f6b67f0ee2462ae54b0defaf180a7a7fa58be3?narHash=sha256-MqyBfqfMCuXjZl4Lw8obqabtWXbpW5l%2B/bbzGp9QadI%3D' (2026-01-12)
  → 'github:typelevel/typelevel-nix/0eb07136584de7a62b036b709ecafdb522654e35?narHash=sha256-vjPmzaoM8Ur22iQz0ZavR9r2ru028mvHhoVeVCGAvxg%3D' (2026-02-20)
• Updated input 'typelevel-nix/devshell':
    'github:numtide/devshell/17ed8d9744ebe70424659b0ef74ad6d41fc87071?narHash=sha256-M7SZyPZiqZUR/EiiBJnmyUbOi5oE/03tCeFrTiUZchI%3D' (2025-11-24)
  → 'github:numtide/devshell/255a2b1725a20d060f566e4755dbf571bbbb5f76?narHash=sha256-460jc0%2BCZfyaO8%2Bw8JNtlClB2n4ui1RbHfPTLkpwhU8%3D' (2026-01-19)
• Updated input 'typelevel-nix/nixpkgs':
    'github:nixos/nixpkgs/4d113fe1f7bb454435a5cabae6cd283e64191bb7?narHash=sha256-iihg1oHkVkYHD1pFQifGEP%2BRw1g%2BLZQyDNbtAqpXtNM%3D' (2026-01-11)
  → 'github:nixos/nixpkgs/d1c15b7d5806069da59e819999d70e1cec0760bf?narHash=sha256-b9uG8yN50DRQ6A7JdZBfzq718ryYrlmGgqkRm9OOwCE%3D' (2026-02-16)

Author: typelevel-steward[bot]