Update deps (#933)

* flake.lock: Update

Flake lock file updates:

• Updated input 'fenix':
    'https://api.flakehub.com/f/pinned/nix-community/fenix/0.1.1791%2Brev-4be608f4f81d351aacca01b21ffd91028c23cc22/018df913-b6d3-756c-b05c-358eca6e487d/source.tar.gz?narHash=sha256-O6EC6QELBLHzhdzBOJj0chx8AOcd4nDRECIagfT5Nd0%3D' (2024-03-01)
  → 'https://api.flakehub.com/f/pinned/nix-community/fenix/0.1.1822%2Brev-209048d7c545905c470f6f8c05c5061f391031a8/018e98ba-d842-7dad-9d6a-0d0ee173b6b1/source.tar.gz?narHash=sha256-WJvDdOph001fA1Ap3AyaQtz/afJAe7meSG5uJAdSE%2BA%3D' (2024-04-01)
• Updated input 'fenix/rust-analyzer-src':
    'github:rust-lang/rust-analyzer/9efa23c4dacee88b93540632eb3d88c5dfebfe17?narHash=sha256-8HHRXm4kYQLdUohNDUuCC3Rge7fXrtkjBUf0GERxrkM%3D' (2024-02-29)
  → 'github:rust-lang/rust-analyzer/e4a405f877efd820bef9c0e77a02494e47c17512?narHash=sha256-dyezzeSbWMpflma%2BE9USmvSxuLgGcNGcGw3cOnX36ko%3D' (2024-03-31)
• Updated input 'nix/nixpkgs':
    'github:NixOS/nixpkgs/2db3f57a2c420c780704948ffc09f96c7f5ffae8?narHash=sha256-%2B7IIMPN7ltWRo5rT9rp9sM8Mp3M7ESxVV/WXQTMkC7M%3D' (2024-04-05)
  → 'github:NixOS/nixpkgs/b550fe4b4776908ac2a861124307045f8e717c8e?narHash=sha256-7kkJQd4rZ%2BvFrzWu8sTRtta5D1kBG0LSRYAfhtmMlSo%3D' (2024-02-28)
• Updated input 'nixpkgs':
    'https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.1.592007%2Brev-9df3e30ce24fd28c7b3e2de0d986769db5d6225d/018e1732-2a3c-7a76-9ec9-7272cb294c13/source.tar.gz?narHash=sha256-6hqgQ8OK6gsMu1VtcGKBxKQInRLHtzulDo9Z5jxHEFY%3D' (2024-03-06)
  → 'https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.1.611350%2Brev-cfd6b5fc90b15709b780a5a1619695a88505a176/018eddfc-e6d9-74bb-a823-20f2ae60079b/source.tar.gz?narHash=sha256-WKm9CvgCldeIVvRz87iOMi8CFVB1apJlkUT4GGvA0iM%3D' (2024-04-12)

* cargo update --aggressive

* reqwest: 0.11.27 -> 0.12.3