flake.lock: Update

Flake lock file updates:

• Updated input 'fenix':
    'github:nix-community/fenix/3717a9f4981495d5487642554343acfacf4e64fa?narHash=sha256-b7j/GL7Pvmx9zpGnqjDzrTtLZktipsZSHJyMrLRQRKU%3D' (2024-07-27)
  → 'github:nix-community/fenix/ca0a8350f4c278204475112dd600ba6f0d09110e?narHash=sha256-IUnCQ0xo0sJRhHbsXVDQ9ULpiQrkxbavmVOilhAXdlk%3D' (2024-08-10)
• Updated input 'fenix/nixpkgs':
    'github:nixos/nixpkgs/5ad6a14c6bf098e98800b091668718c336effc95?narHash=sha256-Sb1jlyRO%2BN8jBXEX9Pg9Z1Qb8Bw9QyOgLDNMEpmjZ2M%3D' (2024-07-25)
  → 'github:nixos/nixpkgs/5e0ca22929f3342b19569b21b2f3462f053e497b?narHash=sha256-M0xJ3FbDUc4fRZ84dPGx5VvgFsOzds77KiBMW/mMTnI%3D' (2024-08-09)
• Updated input 'fenix/rust-analyzer-src':
    'github:rust-lang/rust-analyzer/aae54dde8c384acc310455504c9d8909646e0778?narHash=sha256-RenI%2B4lnrMH0DFLU4HlgCZ9X5yadeishI5Liy2XqNOQ%3D' (2024-07-26)
  → 'github:rust-lang/rust-analyzer/56f63dfd8aeebf80e3fc87894fa3d5a40f98a329?narHash=sha256-UdydOPxlUpEE%2BuparyCgxTCSumwCn2URpxPm70G1K%2BQ%3D' (2024-08-09)