updated flake inputs, fixed evaluation warnings

removed the neon configuration from the flake

modules/home/programs/nixvim/options.nix

@@ -26,7 +26,7 @@ in {
       #};
     };
     enable = true;
-    diagnostics.signs = false;
+    diagnostic.settings.signs = false;
     extraConfigLua = ''
       if vim.g.started_by_firenvim == true then
       	vim.o.laststatus = 0

modules/home/programs/nixvim/plugins/fidget.nix

@@ -1,9 +1,11 @@
 {
   programs.nixvim.plugins.fidget = {
     enable = true;
-    notification = {
-      overrideVimNotify = true;
-      window = { border = "rounded"; };
+    settings = {
+      notification = {
+        overrideVimNotify = true;
+        window = { border = "rounded"; };
+      };
     };
   };
 }