Fix manifest.json

Author: ciampo

docs/manifest.json

@@ -816,14 +816,14 @@
 		"parent": "components"
 	},
 	{
-		"title": "DropdownMenu",
-		"slug": "dropdown-menu",
+		"title": "V1",
+		"slug": "v1",
 		"markdown_source": "../packages/components/src/dropdown-menu/v1/README.md",
 		"parent": "components"
 	},
 	{
-		"title": "DropdownMenu",
-		"slug": "dropdown-menu",
+		"title": "V2",
+		"slug": "v2",
 		"markdown_source": "../packages/components/src/dropdown-menu/v2/README.md",
 		"parent": "components"
 	},
@@ -2321,4 +2321,4 @@
 		"markdown_source": "../docs/contributors/roadmap.md",
 		"parent": "contributors"
 	}
-]
+]