flake.lock: Update (#6266)

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/d691274a972b3165335d261cc4671335f5c67de9' (2024-03-14)
  → 'github:NixOS/nixpkgs/44d0940ea560dee511026a53f0e2e2cde489b4d4' (2024-03-23)

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

flake.lock

@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1710451336,
-        "narHash": "sha256-pP86Pcfu3BrAvRO7R64x7hs+GaQrjFes+mEPowCfkxY=",
+        "lastModified": 1711163522,
+        "narHash": "sha256-YN/Ciidm+A0fmJPWlHBGvVkcarYWSC+s3NTPk/P+q3c=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "d691274a972b3165335d261cc4671335f5c67de9",
+        "rev": "44d0940ea560dee511026a53f0e2e2cde489b4d4",
         "type": "github"
       },
       "original": {