docs: add tabs in no-unsafe-unary-minus.md (#8542)

Co-authored-by: Joshua Chen <[email protected]>

Author: yeonjuan

packages/eslint-plugin/docs/rules/no-unsafe-unary-minus.md

@@ -17,6 +17,8 @@ This rule restricts the unary `-` operator to `number | bigint`.
 
 ## Examples
 
+<!-- tabs -->
+
 ### ❌ Incorrect
 
 ```ts