docs: update to next 15 + eslint 9 (#9839)

* update next

* updated react

* update eslint

* finish updating eslint

* fix content lint errors

* fix docs test

* fix vale action

* fix installation errors

www/packages/docs-ui/src/components/WorkflowDiagram/Canvas/index.tsx

@@ -104,7 +104,9 @@ export const WorkflowDiagramCanvas = ({
       >
         <div className="relative size-full overflow-hidden object-contain rounded-docs_DEFAULT shadow-elevation-card-rest">
           <div>
+            {/* @ts-expect-error React v19 doesn't see this type as a React element */}
             <motion.div
+              // @ts-expect-error React v19 isn't recognizing accepted props
               onMouseDown={() => setIsDragging(true)}
               onMouseUp={() => setIsDragging(false)}
               drag