Update flake inputs

flake.lock

@@ -6,11 +6,11 @@
         "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1672883896,
-        "narHash": "sha256-jFDnE4NkS+wSrVwTwBLtgq6fg0MuZuVqhE9y9pCmaNU=",
+        "lastModified": 1677147771,
+        "narHash": "sha256-n6Tw83jRF66LU6lrr6h+pctjJFh/3IL49sVu82GChx8=",
         "owner": "nix-community",
         "repo": "emacs-overlay",
-        "rev": "c66c4f6447c1b464c0a0fc97bcd689ead5dbf415",
+        "rev": "ef717aed7e04c59930dda17f78a699ebce38f006",
         "type": "github"
       },
       "original": {
@@ -36,11 +36,11 @@
     },
     "flake-utils_2": {
       "locked": {
-        "lastModified": 1667395993,
-        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
+        "lastModified": 1676283394,
+        "narHash": "sha256-XX2f9c3iySLCw54rJ/CZs+ZK6IQy7GXNY4nSOyu2QG4=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
+        "rev": "3db36a8b464d0c4532ba1c7dda728f4576d6d073",
         "type": "github"
       },
       "original": {
@@ -51,24 +51,27 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1666703756,
-        "narHash": "sha256-GwpMJ1hT+z1fMAUkaGtvbvofJQwdVFDEGVhfE82+AUk=",
-        "path": "/nix/store/9m8drnpifyl5qsx93g6ll2xw6wkps03z-source",
-        "rev": "f994293d1eb8812f032e8919e10a594567cf6ef7",
-        "type": "path"
+        "lastModified": 1673540789,
+        "narHash": "sha256-xqnxBOK3qctIeUVxecydrEDbEXjsvHCPGPbvsl63M/U=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "0f213d0fee84280d8c3a97f7469b988d6fe5fcdf",
+        "type": "github"
       },
       "original": {
-        "id": "nixpkgs",
-        "type": "indirect"
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
       }
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1672791794,
-        "narHash": "sha256-mqGPpGmwap0Wfsf3o2b6qHJW1w2kk/I6cGCGIU+3t6o=",
+        "lastModified": 1677063315,
+        "narHash": "sha256-qiB4ajTeAOVnVSAwCNEEkoybrAlA+cpeiBxLobHndE8=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "9813adc7f7c0edd738c6bdd8431439688bb0cb3d",
+        "rev": "988cc958c57ce4350ec248d2d53087777f9e1949",
         "type": "github"
       },
       "original": {