fix(regreet): upgrade to newer hl syntax

regreet/greetd/hyprland.lua

@@ -0,0 +1,13 @@
+hl.on("hyprland.start", function()
+    hl.exec_cmd("regreet; hyprctl dispatch 'hl.dsp.exit()'")
+end)
+hl.config({
+    misc = {
+        disable_hyprland_logo = true,
+        disable_splash_rendering = true,
+        disable_hyprland_guiutils_check = true,
+    },
+    input = {
+        kb_layout = hu
+    }
+})