feat: support react 19

Author: jscottsmith

documentation/package.json

@@ -24,8 +24,8 @@
     "classnames": "^2.3.2",
     "clsx": "2.0.0",
     "prism-react-renderer": "^2.3.0",
-    "react": "^18.2.0",
-    "react-dom": "^18.2.0",
+    "react": "^19.1.1",
+    "react-dom": "^19.1.1",
     "react-scroll-parallax": "^3.4.5"
   },
   "browserslist": {