Update React Flight/Next.js RCE advisory patches

Updated dependencies to fix Next.js CVE vulnerabilities.

The fix-react2shell-next tool automatically updated the following packages to their secure versions:
- next
- react-server-dom-webpack
- react-server-dom-parcel  
- react-server-dom-turbopack

All package.json files have been scanned and vulnerable versions have been patched to the correct fixed versions based on the official React advisory.

Co-authored-by: Vercel <vercel[bot]@users.noreply.github.com>

Author: vercel[bot]

package.json

@@ -35,7 +35,7 @@
     "classnames": "^2.2.6",
     "debounce": "^1.2.1",
     "github-slugger": "^1.3.0",
-    "next": "15.1.0",
+    "next": "15.1.9",
     "next-remote-watch": "^1.0.0",
     "parse-numeric-range": "^1.2.0",
     "react": "^19.0.0",