Update react to v19

Update @types/react from 18.3.12 to 19.2.0

Change-type: patch

Author: balena-renovate[bot]

package.json

@@ -22,12 +22,12 @@
     "@mdx-js/react": "^3.0.1",
     "gray-matter": "^4.0.3",
     "prism-react-renderer": "^2.3.1",
-    "react": "^18.3.1",
+    "react": "^19.0.0",
     "react-dom": "^18.3.1"
   },
   "devDependencies": {
     "@docusaurus/tsconfig": "^3.5.2",
-    "@types/react": "^18.3.3",
+    "@types/react": "^19.0.0",
     "@docusaurus/types": "3.9.1",
     "@docusaurus/module-type-aliases": "^3.5.2",
     "typescript": "5.9.2"