Update dependency react to v19

package.json

@@ -44,7 +44,7 @@
     "@types/react": "^19.2.12",
     "@types/react-dom": "^19.2.3",
     "prettier": "^3.8.1",
-    "react": "^18.3.1",
+    "react": "^19.0.0",
     "react-dom": "^18.3.1",
     "react-router-dom": "^6.30.3",
     "styled-components": "^6.3.8",

playground/package.json

@@ -23,7 +23,7 @@
     "better-sqlite3": "13.0.1",
     "fs-extra": "^11.0.0",
     "mime-types": "^3.0.0",
-    "react": "^18.0.0",
+    "react": "^19.0.0",
     "react-dom": "^18.0.0",
     "react-router-dom": "^6.0.0",
     "strapi-plugin-checkbox-list": "file:.yalc/strapi-plugin-checkbox-list",