Fix NixOS config for compatibility with unstable channel

- Fixed compatibility issues with the unstable channel
- Added new packages (`firebase-tools`, `wrl-randr`)

nixos/info-fetchers.nix

@@ -21,6 +21,7 @@
     # vdpauinfo
     # libva-utils
     # nvtop
+    wlr-randr
     gpu-viewer
     dig
     speedtest-rs

nixos/sound.nix

@@ -2,7 +2,6 @@
 
 {
   # Enable sound with pipewire.
-  sound.enable = true;
   hardware.pulseaudio.enable = false;
   security.rtkit.enable = true;
   services.pipewire = {

nixos/work.nix

@@ -8,5 +8,6 @@
     cargo-lambda
     gnumake
     cmake
+    firebase-tools
   ];
 }

nixos/yubikey.nix

@@ -8,7 +8,7 @@
   # FIXME Don't forget to create an authorization mapping file for your user (https://nixos.wiki/wiki/Yubikey#pam_u2f)
   security.pam.u2f = {
     enable = true;
-    cue = true;
+    settings.cue = true;
     control = "sufficient";
   };