[auto] regenerate table of contents

Author: github-actions[bot]

README.md

@@ -506,6 +506,7 @@
 | 475 | [What are shadowing and illegal shadowing?](#what-are-shadowing-and-illegal-shadowing) |
 | 476 | [Why is it important to remove event listeners after use?](#why-is-it-important-to-remove-event-listeners-after-use) |
 | 477 | [What is structuredClone and how is it used for deep copying objects?](#what-is-structuredclone-and-how-is-it-used-for-deep-copying-objects) |
+| 478 | [What is the difference between const and Object.freeze](#what-is-the-difference-between-const-and-objectfreeze) |
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@@ -9552,7 +9553,7 @@ Common use cases and benefits:
 
    **[⬆ Back to Top](#table-of-contents)**
 
- 478. ### What is the difference between const and Object.freeze
+478. ### What is the difference between const and Object.freeze
 
      The main difference is that `const` applies to **variables** (bindings), while `Object.freeze()` applies to **values** (objects).