tools: enable no-unused-expressions lint rule

Fixes: https://github.com/nodejs/node/issues/36246

PR-URL: https://github.com/nodejs/node/pull/36248
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

lib/internal/assert/assertion_error.js

@@ -455,7 +455,7 @@ class AssertionError extends Error {
     }
     ErrorCaptureStackTrace(this, stackStartFn || stackStartFunction);
     // Create error message including the error code in the name.
-    this.stack;
+    this.stack; // eslint-disable-line no-unused-expressions
     // Reset the name.
     this.name = 'AssertionError';
   }