chore(deps): lock file maintenance

flake.lock

@@ -133,11 +133,11 @@
     },
     "nixpkgs-nixos-stable": {
       "locked": {
-        "lastModified": 1749668643,
-        "narHash": "sha256-gaWJEWGBW/g1u6o5IM4Un0vluv86cigLuBnjsKILffc=",
+        "lastModified": 1749834526,
+        "narHash": "sha256-izgPGLeUeFB9loC+n2X6TO2n8pOGvVcR3jKqxTGOwgc=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "1965fd20a39c8e441746bee66d550af78f0c0a7b",
+        "rev": "db8414903dd6b3042e1ac471eafc18ca4ccb54a4",
         "type": "github"
       },
       "original": {
@@ -172,7 +172,6 @@
       "locked": {
         "lastModified": 1749920008,
         "narHash": "sha256-wn3U2q/+OQYErVyoY9kwZP/fXcDG4ewhJkHX7qHzq8g=",
-        "ref": "refs/heads/main",
         "rev": "5f8ba2025848dd30539c42ef1f7e6c6f917e70d9",
         "revCount": 19,
         "type": "git",