Update flake.lock (#10830)

flake.lock: Update

Flake lock file updates:

• Updated input 'fenix':
    'github:nix-community/fenix/a804172f150bcf81262655324e583bb0cd0f28dd?narHash=sha256-RlcGw3vAnbI3cfZn8aFaovNUd7312VZh%2B/FDWkqdA7E%3D' (2025-06-14)
  → 'github:nix-community/fenix/933bc78d45abaf764dbfe0fd117be981631f3e9a?narHash=sha256-79O83W9osY3wyvxZHqL0gw85tcACSX0TU5en3%2Bdky/0%3D' (2025-06-21)
• Updated input 'fenix/rust-analyzer-src':
    'github:rust-lang/rust-analyzer/a497f4114ccf24978accb56190e60d1e1659e0c7?narHash=sha256-t6x6/PKg8Shnkd3htrxf3WMgycfRLRWvN9JHAmGWf%2Bs%3D' (2025-06-13)
  → 'github:rust-lang/rust-analyzer/b0552d779f7137c76f109666ce0ad28395c0e582?narHash=sha256-EMFKnO%2BJ3dZOa9J%2BuiKZgHYgzALv9dqxY7NHV0DbO/U%3D' (2025-06-20)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/6afe187897bef7933475e6af374c893f4c84a293?narHash=sha256-K9yBph93OLTNw02Q6e9CYFGrUhvEXnh45vrZqIRWfvQ%3D' (2025-06-14)
  → 'github:NixOS/nixpkgs/076e8c6678d8c54204abcb4b1b14c366835a58bb?narHash=sha256-1ovgdmuDYVo5OUC5NzdF%2BV4zx2uT8RtsgZahxidBTyw%3D' (2025-06-20)

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

Author: github-actions[bot]