flake.lock: Update (#5054)

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/9b19f5e77dd906cb52dade0b7bd280339d2a1f3d' (2024-01-13)
  → 'github:NixOS/nixpkgs/bbe7d8f876fbbe7c959c90ba2ae2852220573261' (2024-01-19)

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

flake.lock

@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1705133751,
-        "narHash": "sha256-rCIsyE80jgiOU78gCWN3A0wE0tR2GI5nH6MlS+HaaSQ=",
+        "lastModified": 1705677747,
+        "narHash": "sha256-eyM3okYtMgYDgmYukoUzrmuoY4xl4FUujnsv/P6I/zI=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "9b19f5e77dd906cb52dade0b7bd280339d2a1f3d",
+        "rev": "bbe7d8f876fbbe7c959c90ba2ae2852220573261",
         "type": "github"
       },
       "original": {