ci/pinned: update

This gives us nixd 2.7.0, which is needed to add nixf-diagnose to
treefmt.

From the nixpkgs-unstable channel:
https://hydra.nixos.org/build/308290354#tabs-buildinputs

Changes for treefmt-nix:
128222dc91...5eda4ee812

ci/pinned.json

@@ -9,9 +9,9 @@
       },
       "branch": "nixpkgs-unstable",
       "submodules": false,
-      "revision": "a1f79a1770d05af18111fbbe2a3ab2c42c0f6cd0",
-      "url": "https://github.com/NixOS/nixpkgs/archive/a1f79a1770d05af18111fbbe2a3ab2c42c0f6cd0.tar.gz",
-      "hash": "06lqp08pfgnsn8kb4kdpjmmjyhj4bgniv7yf9bjczg4kn25l1dz6"
+      "revision": "e57b3b16ad8758fd681511a078f35c416a8cc939",
+      "url": "https://github.com/NixOS/nixpkgs/archive/e57b3b16ad8758fd681511a078f35c416a8cc939.tar.gz",
+      "hash": "04zp6jjd4xr6jfps84p8yh5ym5962mii4825fn75lqk14sz4rq56"
     },
     "treefmt-nix": {
       "type": "Git",
@@ -22,9 +22,9 @@
       },
       "branch": "main",
       "submodules": false,
-      "revision": "128222dc911b8e2e18939537bed1762b7f3a04aa",
-      "url": "https://github.com/numtide/treefmt-nix/archive/128222dc911b8e2e18939537bed1762b7f3a04aa.tar.gz",
-      "hash": "1p81chik0sb8aligng579m4h0klnndxv76z0p4gyhr4g3s9cydpw"
+      "revision": "5eda4ee8121f97b218f7cc73f5172098d458f1d1",
+      "url": "https://github.com/numtide/treefmt-nix/archive/5eda4ee8121f97b218f7cc73f5172098d458f1d1.tar.gz",
+      "hash": "1vqns9hjhmbnhdq2xvcmdxng11jrmcn9lpk2ncfh1f969z9lj8y9"
     }
   },
   "version": 5