docs(templates): update Next.js templates to React 19 (#6733)

Author: MarcusNotheis

templates/nextjs-app/package-lock.json

@@ -13,15 +13,13 @@
     "@ui5/webcomponents-fiori": "2.5.0",
     "@ui5/webcomponents-react": "2.5.0",
     "@types/node": "22.10.1",
-    "@types/react": "npm:types-react@rc",
-    "@types/react-dom": "npm:types-react-dom@rc",
+    "@types/react": "19.0.1",
+    "@types/react-dom": "19.0.2",
     "eslint": "9.16.0",
     "eslint-config-next": "15.0.4",
     "next": "15.0.4",
-    "react": "18.3.1",
-    "react-dom": "18.3.1",
+    "react": "19.0.0",
+    "react-dom": "19.0.0",
     "typescript": "5.7.2"
-  },
-  "@types/react": "npm:types-react@rc",
-  "@types/react-dom": "npm:types-react-dom@rc"
+  }
 }

templates/nextjs-app/package.json

@@ -13,17 +13,13 @@
     "@ui5/webcomponents-fiori": "2.5.0",
     "@ui5/webcomponents-react": "2.5.0",
     "@types/node": "22.10.1",
-    "@types/react": "npm:types-react@rc",
-    "@types/react-dom": "npm:types-react-dom@rc",
+    "@types/react": "19.0.1",
+    "@types/react-dom": "19.0.2",
     "eslint": "9.16.0",
     "eslint-config-next": "15.0.4",
     "next": "15.0.4",
-    "react": "18.3.1",
-    "react-dom": "18.3.1",
+    "react": "19.0.0",
+    "react-dom": "19.0.0",
     "typescript": "5.7.2"
-  },
-  "overrides": {
-    "@types/react": "npm:types-react@rc",
-    "@types/react-dom": "npm:types-react-dom@rc"
   }
 }