docs(plugins/sql): Fix code highlighting (#2724)

src/content/docs/plugin/sql.mdx

@@ -279,7 +279,7 @@ By default all potentially dangerous plugin commands and scopes are blocked and
 
 See the [Capabilities Overview](/security/capabilities/) for more information and the [step by step guide](/learn/security/using-plugin-permissions/) to use plugin permissions.
 
-```json title="src-tauri/capabilities/main.json" ins={7-8}
+```json title="src-tauri/capabilities/main.json" ins={6}
 {
   "$schema": "../gen/schemas/desktop-schema.json",
   "identifier": "main-capability",