My dropdown menu does not drop down when tapped , here is my code

JavaScript function

document.addEventListener("DOMContentLoaded", () => {
  enableDropDowns();
});

const enableDropDowns = () => {
  const dropdownElementList = [].slice.call(
    document.querySelectorAll(".dropdown-toggle")
  );
  dropdownElementList.map((dropdownToggleEl) => new Dropdown(dropdownToggleEl));
};

My block Body of Base.html.twig

<nav class="py-2 bg-dark border-bottom">
            <div class="container d-flex flex-wrap">
                <div class="dropdown">
                    <a class="nav nav-link dropdown-toggle" role="button" data-bs-toggle="dropdown" aria-expanded="false">
                    Mon Blog
                    </a>
                    <ul class="dropdown-menu" aria-labelledby ="dropMenuButtonAdmin">
                        <li><a class="dropdown-item" href="#">Tableau de bord</a></li>
                        <li><a class="dropdown-item" href="#">Menus</a></li>
                        
                    </ul>
                </div>
            </div>
        </nav>

I have no error in my console.

How can i make the dropdown menu drop down ?