Bump next in /KendoReactGridAndReportViewer/kendo-react-reporting

Bumps [next](https://github.com/vercel/next.js) from 14.2.15 to 14.2.21.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v14.2.15...v14.2.21)

---
updated-dependencies:
- dependency-name: next
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

KendoReactGridAndReportViewer/kendo-react-reporting/package-lock.json

@@ -26,7 +26,7 @@
     "@progress/kendo-theme-default": "^7.2.1",
     "@progress/telerik-react-report-viewer": "^21.24.305",
     "jquery": "^3.7.1",
-    "next": "14.2.15",
+    "next": "14.2.21",
     "react": "^18",
     "react-dom": "^18"
   }