Bump react-instantsearch in the documentation group (#3215)

Author: dependabot[bot]

package-lock.json

@@ -97,7 +97,7 @@
     "nanostores": "^0.11.4",
     "pino": "^9.14.0",
     "preact": "^10.27.2",
-    "react-instantsearch": "^7.19.0",
+    "react-instantsearch": "^7.20.0",
     "rehype-autolink-headings": "^7.1.0",
     "rehype-slug": "^6.0.0",
     "rehype-wrap-all": "^1.1.0",