chore: Update flake, fix issues after updating and fix flake update action (#88)

Was running behind with the updating the config, all flake inputs have
been updated and produced error's and warnings have been fixed.

Also fixed the action to test the build and create an issue with the
results.

---------

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

config/plugins/cmp/cmp-copilot.nix

@@ -3,12 +3,15 @@
     enable = true;
   };
   plugins.copilot-lua = {
-    enable = true;
-    suggestion = {
-      enabled = false;
-    };
-    panel = {
-      enabled = false;
+    settings = {
+      copilot = {
+        suggestion = {
+          enabled = false;
+        };
+        panel = {
+          enabled = false;
+        };
+      };
     };
   };