flake.lock: Update (#9162)

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/c3aa7b8938b17aebd2deecf7be0636000d62a2b9?narHash=sha256-med8%2B5DSWa2UnOqtdICndjDAEjxr5D7zaIiK4pn0Q7c%3D' (2024-08-14)
  → 'github:NixOS/nixpkgs/c374d94f1536013ca8e92341b540eba4c22f9c62?narHash=sha256-Z/ELQhrSd7bMzTO8r7NZgi9g5emh%2BaRKoCdaAv5fiO0%3D' (2024-08-21)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

flake.lock

@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1723637854,
-        "narHash": "sha256-med8+5DSWa2UnOqtdICndjDAEjxr5D7zaIiK4pn0Q7c=",
+        "lastModified": 1724224976,
+        "narHash": "sha256-Z/ELQhrSd7bMzTO8r7NZgi9g5emh+aRKoCdaAv5fiO0=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c3aa7b8938b17aebd2deecf7be0636000d62a2b9",
+        "rev": "c374d94f1536013ca8e92341b540eba4c22f9c62",
         "type": "github"
       },
       "original": {