flake.lock: Update

Flake lock file updates:

• Updated input 'flake-parts':
    'github:hercules-ci/flake-parts/c13d60b89adea3dc20704c045ec4d50dd964d447' (2023-03-09)
  → 'github:hercules-ci/flake-parts/dcc36e45d054d7bb554c9cdab69093debd91a0b5' (2023-04-01)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/49966f2c7139521b1c84af4c76c72725e1eafd2e' (2023-03-19)
  → 'github:NixOS/nixpkgs/cd9eead62d1cb6dd692cd87c209e0bc48f733669' (2023-04-02)
• Updated input 'treefmt-nix':
    'github:numtide/treefmt-nix/0f560a84215e79facd2833b20bfdc2033266f126' (2023-03-15)
  → 'github:numtide/treefmt-nix/a082287718105c284475df18b882a76312dea0d0' (2023-03-30)

flake.lock

@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1678379998,
-        "narHash": "sha256-TZdfNqftHhDuIFwBcN9MUThx5sQXCTeZk9je5byPKRw=",
+        "lastModified": 1680392223,
+        "narHash": "sha256-n3g7QFr85lDODKt250rkZj2IFS3i4/8HBU2yKHO3tqw=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "c13d60b89adea3dc20704c045ec4d50dd964d447",
+        "rev": "dcc36e45d054d7bb554c9cdab69093debd91a0b5",
         "type": "github"
       },
       "original": {
@@ -22,11 +22,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1679249765,
-        "narHash": "sha256-3sMdeiLrJQNvbVXzUuYUy/Va1Mpv733gyBruOypvmRo=",
+        "lastModified": 1680450296,
+        "narHash": "sha256-4SJqREZkmyQufQcudS+j0WqsHeRDE6jyFw6l6QcrMrE=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "49966f2c7139521b1c84af4c76c72725e1eafd2e",
+        "rev": "cd9eead62d1cb6dd692cd87c209e0bc48f733669",
         "type": "github"
       },
       "original": {
@@ -50,11 +50,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1678901796,
-        "narHash": "sha256-9myDjq948gHbiv16HnFQZaswQEpNodE/CuGCfDNnv/g=",
+        "lastModified": 1680218481,
+        "narHash": "sha256-VhkSVeKXbZtdaT41Kn3QuFE7OnXHM4UbMlqBez+tRL0=",
         "owner": "numtide",
         "repo": "treefmt-nix",
-        "rev": "0f560a84215e79facd2833b20bfdc2033266f126",
+        "rev": "a082287718105c284475df18b882a76312dea0d0",
         "type": "github"
       },
       "original": {