Add audio subsystem with mute and volume controls

Update flake.lock dependencies to latest revisions

flake.lock

@@ -8,11 +8,11 @@
         "rust-analyzer-src": "rust-analyzer-src"
       },
       "locked": {
-        "lastModified": 1762929886,
-        "narHash": "sha256-TQZ3Ugb1FoHpTSc8KLrzN4njIZU4FemAMHyS4M3mt6s=",
+        "lastModified": 1775462255,
+        "narHash": "sha256-YRzdvh6nvMebcgO2nDpr8dqVwKHpp1BBRUHeMxX9UAY=",
         "owner": "nix-community",
         "repo": "fenix",
-        "rev": "6998514dce2c365142a0a119a95ef95d89b84086",
+        "rev": "f90343f1ed330243d4bbdbce51acbd93b776a797",
         "type": "github"
       },
       "original": {
@@ -31,11 +31,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1752689277,
-        "narHash": "sha256-uldUBFkZe/E7qbvxa3mH1ItrWZyT6w1dBKJQF/3ZSsc=",
+        "lastModified": 1769799857,
+        "narHash": "sha256-88IFXZ7Sa1vxbz5pty0Io5qEaMQMMUPMonLa3Ls/ss4=",
         "owner": "nix-community",
         "repo": "naersk",
-        "rev": "0e72363d0938b0208d6c646d10649164c43f4d64",
+        "rev": "9d4ed44d8b8cecdceb1d6fd76e74123d90ae6339",
         "type": "github"
       },
       "original": {
@@ -46,11 +46,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1762844143,
-        "narHash": "sha256-SlybxLZ1/e4T2lb1czEtWVzDCVSTvk9WLwGhmxFmBxI=",
+        "lastModified": 1775036866,
+        "narHash": "sha256-ZojAnPuCdy657PbTq5V0Y+AHKhZAIwSIT2cb8UgAz/U=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "9da7f1cf7f8a6e2a7cb3001b048546c92a8258b4",
+        "rev": "6201e203d09599479a3b3450ed24fa81537ebc4e",
         "type": "github"
       },
       "original": {
@@ -70,11 +70,11 @@
     "rust-analyzer-src": {
       "flake": false,
       "locked": {
-        "lastModified": 1762860488,
-        "narHash": "sha256-rMfWMCOo/pPefM2We0iMBLi2kLBAnYoB9thi4qS7uk4=",
+        "lastModified": 1775429583,
+        "narHash": "sha256-bFC/p7Ywyd9QIr9DbU3Q75c7AcaCm9wVmEvcI3702cY=",
         "owner": "rust-lang",
         "repo": "rust-analyzer",
-        "rev": "2efc80078029894eec0699f62ec8d5c1a56af763",
+        "rev": "38fb8f92ac15853d7fa9fb47fc2d81fdd5cd6c7e",
         "type": "github"
       },
       "original": {