fix(deps): update dependency react-scroll-sync to ^0.8.0 (#4011)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

packages/netlify-cms-core/package.json

@@ -53,7 +53,7 @@
     "react-polyglot": "^0.7.0",
     "react-redux": "^7.2.0",
     "react-router-dom": "^4.2.2",
-    "react-scroll-sync": "^0.6.0",
+    "react-scroll-sync": "^0.8.0",
     "react-sortable-hoc": "^1.0.0",
     "react-split-pane": "^0.1.85",
     "react-topbar-progress-indicator": "^2.0.0",