fix(deps): update react monorepo to v19

Author: renovate[bot]

package.json

@@ -60,8 +60,8 @@
     "gatsby-transformer-yaml": "4.25.0",
     "polished": "4.2.2",
     "prop-types": "15.8.1",
-    "react": "17.0.2",
-    "react-dom": "17.0.2",
+    "react": "19.1.0",
+    "react-dom": "19.1.0",
     "react-emotion": "10.0.0",
     "react-helmet": "6.1.0"
   }