flake.lock: Update

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/0a25e2c87e784bf7e06e7833ec0e06d34836959a' (2023-02-14)
  → 'github:NixOS/nixpkgs/9e56d6ec92c8fb4192f1392aa5c4101ad77f2070' (2023-02-28)

1 files changed, 3 insertions, 3 deletions

diff --git a/flake.lock b/flake.lock
index 51710b3..263dd32 100644
--- a/flake.lock
+++ b/flake.lock
@@ -16,11 +16,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1676335949,
-        "narHash": "sha256-mnvvqmFhotH++nSovRiIZX4CW8nbr2bEEnWgymzM4z4=",
+        "lastModified": 1677560409,
+        "narHash": "sha256-PIvUIsVNozPXe1FmNe9c6B8Febl3t9+51uBKMJ1Q8o0=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "0a25e2c87e784bf7e06e7833ec0e06d34836959a",
+        "rev": "9e56d6ec92c8fb4192f1392aa5c4101ad77f2070",
         "type": "github"
       },
       "original": {