fix(modules/hm): don't set stateVersion

Prefer setting it on the configuration. Also bump the example-vm to
stateVersion 24.11.

example-vm/default.nix

@@ -16,6 +16,7 @@
     home = {
       username = "jdoe";
       homeDirectory = "/home/jdoe";
+      stateVersion = "24.11";
     };
     jhome = {
       enable = true;

modules/hm/default.nix

@@ -108,8 +108,6 @@ in
       };
 
       home = {
-        stateVersion = "22.11";
-        # Extra packages
         # Extra variables
         sessionVariables = {
           CARGO_HOME = "${config.xdg.dataHome}/cargo";

modules/hm/gui/keybindings.nix

@@ -93,7 +93,7 @@ builtins.foldl' (l: r: l // r)
     "XF86AudioRaiseVolume" = "exec ${pkgs.avizo}/bin/volumectl up";
     "XF86AudioLowerVolume" = "exec ${pkgs.avizo}/bin/volumectl down";
     "XF86AudioMute" = "exec ${pkgs.avizo}/bin/volumectl toggle-mute";
-    "XF86ScreenSaver" = "exec swaylock --image ${cfg.background}";
+    "XF86ScreenSaver" = "exec ${pkgs.swaylock}/bin/swaylock --image ${cfg.background}";
     "XF86MonBrightnessUp" = "exec ${pkgs.avizo}/bin/lightctl up";
     "XF86MonBrightnessDown" = "exec ${pkgs.avizo}/bin/lightctl down";
     # Floating