chore: migrate to mantine v9

Followed the migration guide

packages/widgets/package.json

@@ -50,6 +50,7 @@
     "@homarr/validation": "workspace:^0.1.0",
     "@mantine/charts": "catalog:",
     "@mantine/core": "catalog:",
+    "@mantine/form": "catalog:",
     "@mantine/hooks": "catalog:",
     "@tabler/icons-react": "catalog:",
     "@tiptap/extension-color": "catalog:",
@@ -70,7 +71,6 @@
     "@tiptap/starter-kit": "catalog:",
     "clsx": "catalog:",
     "dayjs": "catalog:",
-    "mantine-form-zod-resolver": "catalog:",
     "mantine-react-table": "catalog:",
     "next": "catalog:",
     "react": "catalog:",