Add deprecation warnings rule

Author: mderazon

index.js

@@ -22,6 +22,7 @@ export default tseslint.config(
       ],
       "@typescript-eslint/no-explicit-any": "off",
       "@typescript-eslint/explicit-function-return-type": "off",
+      "@typescript-eslint/no-deprecated": "warn",
       "sonarjs/todo-tag": "warn",
     },
   },

test/rules-snapshot.json

@@ -715,5 +715,6 @@
       "assertionStyle": "angle-bracket"
     }
   ],
-  "@typescript-eslint/explicit-function-return-type": [0]
+  "@typescript-eslint/explicit-function-return-type": [0],
+  "@typescript-eslint/no-deprecated": [1]
 }