chore(nix): update flake.lock dependencies

- Updated `home-manager`, `nixpkgs_3`, and `unstable` inputs to their latest revisions.
- Ensures the configuration uses updated dependencies for improved stability and features.

flake.lock

@@ -497,11 +497,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1765605144,
-        "narHash": "sha256-RM2xs+1HdHxesjOelxoA3eSvXShC8pmBvtyTke4Ango=",
+        "lastModified": 1766292113,
+        "narHash": "sha256-sWTtmkQujRpjWYCnZc8LWdDiCzrRlSBPrGovkZpLkBI=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "90b62096f099b73043a747348c11dbfcfbdea949",
+        "rev": "fdec8815a86db36f42fc9c8cb2931cd8485f5aed",
         "type": "github"
       },
       "original": {
@@ -1029,11 +1029,11 @@
     },
     "nixpkgs_3": {
       "locked": {
-        "lastModified": 1765762245,
-        "narHash": "sha256-3iXM/zTqEskWtmZs3gqNiVtRTsEjYAedIaLL0mSBsrk=",
+        "lastModified": 1766201043,
+        "narHash": "sha256-eplAP+rorKKd0gNjV3rA6+0WMzb1X1i16F5m5pASnjA=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "c8cfcd6ccd422e41cc631a0b73ed4d5a925c393d",
+        "rev": "b3aad468604d3e488d627c0b43984eb60e75e782",
         "type": "github"
       },
       "original": {
@@ -1381,11 +1381,11 @@
     },
     "unstable": {
       "locked": {
-        "lastModified": 1765472234,
-        "narHash": "sha256-9VvC20PJPsleGMewwcWYKGzDIyjckEz8uWmT0vCDYK0=",
+        "lastModified": 1766309749,
+        "narHash": "sha256-3xY8CZ4rSnQ0NqGhMKAy5vgC+2IVK0NoVEzDoOh4DA4=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "2fbfb1d73d239d2402a8fe03963e37aab15abe8b",
+        "rev": "a6531044f6d0bef691ea18d4d4ce44d0daa6e816",
         "type": "github"
       },
       "original": {