Sync react and react-dnd versions in portal-search-tuning-* modules

• Type: Task
• Status: Closed
• Priority: Minor
• Resolution: Completed
• Affects Version/s: None
• Fix Version/s: None
• Component/s: Web Search > Search Admin
• Labels: None
• Sprint: Search | S03 Sprint 4

LPS-100102 has updated `react` and `react-dom` versions. We should keep the search tuning modules' versions in sync with the ones in `frontend-js-react-web`.

Update for:

• portal-search-tuning-rankings-web
• portal-search-tuning-synonyms-web

package.json

"react": "16.9.0",
"react-dnd": "7.7.0",
"react-dnd-html5-backend": "7.7.0",
"react-dom": "16.9.0"