chore(a11y): enable 9 more jsx-a11y oxlint rules as errors (#42006)

Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>

superset-frontend/src/SqlLab/components/TableExploreTree/TreeNodeRenderer.tsx

@@ -238,7 +238,6 @@ const TreeNodeRenderer: React.FC<TreeNodeRendererProps> = ({
       {identifier === 'schema' && (
         <div
           className="side-action-container"
-          role="menu"
           onClick={e => e.stopPropagation()}
         >
           {pinnedSchemas.has(schema) && (
@@ -306,7 +305,6 @@ const TreeNodeRenderer: React.FC<TreeNodeRendererProps> = ({
           return (
             <div
               className="side-action-container"
-              role="menu"
               onClick={e => e.stopPropagation()}
             >
               {isPinned && (