Release v5.3.6 (#41406)

* Update to v5.3.6

* Rebuild

* Rebuild

dist/js/bootstrap.esm.js

@@ -1,5 +1,5 @@
 /*!
-  * Bootstrap v5.3.5 (https://getbootstrap.com/)
+  * Bootstrap v5.3.6 (https://getbootstrap.com/)
   * Copyright 2011-2025 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   */
@@ -643,7 +643,7 @@ class Config {
  * Constants
  */
 
-const VERSION = '5.3.5';
+const VERSION = '5.3.6';
 
 /**
  * Class definition
@@ -669,6 +669,8 @@ class BaseComponent extends Config {
       this[propertyName] = null;
     }
   }
+
+  // Private
   _queueCallback(callback, element, isAnimated = true) {
     executeAfterTransition(callback, element, isAnimated);
   }
@@ -1600,11 +1602,11 @@ class Collapse extends BaseComponent {
     this._element.style[dimension] = '';
     this._queueCallback(complete, this._element, true);
   }
+
+  // Private
   _isShown(element = this._element) {
     return element.classList.contains(CLASS_NAME_SHOW$7);
   }
-
-  // Private
   _configAfterMerge(config) {
     config.toggle = Boolean(config.toggle); // Coerce string values
     config.parent = getElement(config.parent);
@@ -1847,6 +1849,9 @@ class Dropdown extends BaseComponent {
     this._element.setAttribute('aria-expanded', 'false');
     Manipulator.removeDataAttribute(this._menu, 'popper');
     EventHandler.trigger(this._element, EVENT_HIDDEN$5, relatedTarget);
+
+    // Explicitly return focus to the trigger element
+    this._element.focus();
   }
   _getConfig(config) {
     config = super._getConfig(config);
@@ -4368,7 +4373,6 @@ class Toast extends BaseComponent {
   }
 
   // Private
-
   _maybeScheduleHide() {
     if (!this._config.autohide) {
       return;