flake.lock: Update

Flake lock file updates:

```
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/11415c7ae8539d6292f2928317ee7a8410b28bb9' (2025-02-21)
  → 'github:nixos/nixpkgs/5d7db4668d7a0c6cc5fc8cf6ef33b008b2b1ed8b' (2025-02-25)
• Updated input 'nixpkgs-unstable':
    'github:nixos/nixpkgs/73cf49b8ad837ade2de76f87eb53fc85ed5d4680' (2025-02-18)
  → 'github:nixos/nixpkgs/0196c0175e9191c474c26ab5548db27ef5d34b05' (2025-02-24)
```

flake.lock

@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1740162160,
-        "narHash": "sha256-SSYxFhqCOb3aiPb6MmN68yEzBIltfom8IgRz7phHscM=",
+        "lastModified": 1740463929,
+        "narHash": "sha256-4Xhu/3aUdCKeLfdteEHMegx5ooKQvwPHNkOgNCXQrvc=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "11415c7ae8539d6292f2928317ee7a8410b28bb9",
+        "rev": "5d7db4668d7a0c6cc5fc8cf6ef33b008b2b1ed8b",
         "type": "github"
       },
       "original": {
@@ -36,11 +36,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1739866667,
-        "narHash": "sha256-EO1ygNKZlsAC9avfcwHkKGMsmipUk1Uc0TbrEZpkn64=",
+        "lastModified": 1740367490,
+        "narHash": "sha256-WGaHVAjcrv+Cun7zPlI41SerRtfknGQap281+AakSAw=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "73cf49b8ad837ade2de76f87eb53fc85ed5d4680",
+        "rev": "0196c0175e9191c474c26ab5548db27ef5d34b05",
         "type": "github"
       },
       "original": {