flake.lock: Update

Flake lock file updates:

```
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/11415c7ae8539d6292f2928317ee7a8410b28bb9' (2025-02-21)
  → 'github:nixos/nixpkgs/52e3095f6d812b91b22fb7ad0bfc1ab416453634' (2025-03-08)
• Updated input 'nixpkgs-unstable':
    'github:nixos/nixpkgs/73cf49b8ad837ade2de76f87eb53fc85ed5d4680' (2025-02-18)
  → 'github:nixos/nixpkgs/e3e32b642a31e6714ec1b712de8c91a3352ce7e1' (2025-03-09)
```

flake.lock

@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1741332913,
-        "narHash": "sha256-ri1e8ZliWS3Jnp9yqpKApHaOo7KBN33W8ECAKA4teAQ=",
+        "lastModified": 1741445498,
+        "narHash": "sha256-F5Em0iv/CxkN5mZ9hRn3vPknpoWdcdCyR0e4WklHwiE=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "20755fa05115c84be00b04690630cb38f0a203ad",
+        "rev": "52e3095f6d812b91b22fb7ad0bfc1ab416453634",
         "type": "github"
       },
       "original": {
@@ -36,11 +36,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1741379970,
-        "narHash": "sha256-Wh7esNh7G24qYleLvgOSY/7HlDUzWaL/n4qzlBePpiw=",
+        "lastModified": 1741513245,
+        "narHash": "sha256-7rTAMNTY1xoBwz0h7ZMtEcd8LELk9R5TzBPoHuhNSCk=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "36fd87baa9083f34f7f5027900b62ee6d09b1f2f",
+        "rev": "e3e32b642a31e6714ec1b712de8c91a3352ce7e1",
         "type": "github"
       },
       "original": {