[msft-mac] Update unstable and go packages.

Signed-off-by: Mariano Uvalle <juvallegarza@microsoft.com>

flake.lock

@@ -323,11 +323,11 @@
     },
     "nixpkgs-unstable_2": {
       "locked": {
-        "lastModified": 1755615617,
-        "narHash": "sha256-HMwfAJBdrr8wXAkbGhtcby1zGFvs+StOp19xNsbqdOg=",
+        "lastModified": 1756125398,
+        "narHash": "sha256-XexyKZpf46cMiO5Vbj+dWSAXOnr285GHsMch8FBoHbc=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "20075955deac2583bb12f07151c2df830ef346b4",
+        "rev": "3b9f00d7a7bf68acd4c4abb9d43695afb04e03a5",
         "type": "github"
       },
       "original": {

hosts/msft-mac/configuration.nix

@@ -46,6 +46,7 @@
       "displaylink"
       "yubico-authenticator" # TODO: Defer to a module that manages yubikeys for darwin.
       "docker-desktop"
+      "spotify"
     ];
   };
 

hosts/msft-mac/home.nix

@@ -45,10 +45,10 @@ in {
       nerd-fonts.fira-code
       azure-cli
 
-      go
-      gopls
-      gotools
-      mockgen
+      pkgs-unstable.go
+      pkgs-unstable.gopls
+      pkgs-unstable.gotools
+      pkgs-unstable.mockgen
       pkgs-unstable.kubernetes-controller-tools
       pkgs-unstable.kubectl
       pkgs-unstable.kubectl-node-shell