fix(components): fix linter issue

Author: oliverschuerch

packages/components/src/components/post-header/post-header.tsx

@@ -94,6 +94,7 @@ export class PostHeader {
     this.updateLocalHeaderHeight = this.updateLocalHeaderHeight.bind(this);
     this.keyboardHandler = this.keyboardHandler.bind(this);
     this.handleLinkClick = this.handleLinkClick.bind(this);
+    this.megadropdownStateHandler = this.megadropdownStateHandler.bind(this);
     this.checkSlottedContent = this.checkSlottedContent.bind(this);
   }
 
@@ -215,9 +216,9 @@ export class PostHeader {
   }
 
   @EventFrom('post-megadropdown')
-  private megadropdownStateHandler = (event: CustomEvent) => {
+  private megadropdownStateHandler(event: CustomEvent) {
     this.megadropdownOpen = event.detail.isVisible;
-  };
+  }
 
   // Get all the focusable elements in the post-header burger menu
   private getFocusableElements() {