build(nix): update dependencies

• Updated input 'fenix':
    'github:nix-community/fenix/24b76cc6d5bebb01947ae7a3e6ac894239abc7be?narHash=sha256-SpHdn/wQ1Y4YfpJ2WJBT%2BnFFMSDTtbQPtgFidonsiv0%3D' (2024-12-11)
  → 'github:nix-community/fenix/ba6ee8188144f3ecb21900dbfd153e66eddec992?narHash=sha256-bmsaG7lLjnek9tDPkMpadjmgBaEpjQna6QderhY8D9w%3D' (2024-12-12)
• Updated input 'fenix/rust-analyzer-src':
    'github:rust-lang/rust-analyzer/7b4b83ba916800dfa4b4776790fdf6771c22f82e?narHash=sha256-xKttEMfuf2hzcdiNQucxkvW2vCUe5e9HyfPntOcBSq0%3D' (2024-12-10)
  → 'github:rust-lang/rust-analyzer/b707b5a1174be4d446d196e0a5deb6f7c8a7558f?narHash=sha256-wWCaYIJvJdz3FPlZ3atMYPDyLh3oyoOMfG8IbO/f%2BYU%3D' (2024-12-11)
• Updated input 'rust-overlay':
    'github:oxalica/rust-overlay/d0483df44ddf0fd1985f564abccbe568e020ddf2?narHash=sha256-8GXR9kC07dyOIshAyfZhG11xfvBRSZzYghnZ2weOKJU%3D' (2024-12-11)
  → 'github:oxalica/rust-overlay/f7f4c59ccdf1bec3f1547d27398e9589aa94e3e8?narHash=sha256-sPEKtSaZk2CtfF9cdhtbY93S6qGq%2Bd2PKI1fcoDfDaI%3D' (2024-12-12)

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