Update dependency react to v19

virtweb_frontend/package.json

@@ -18,7 +18,7 @@
     "@testing-library/user-event": "^14.5.2",
     "@types/humanize-duration": "^3.27.1",
     "@types/jest": "^29.5.14",
-    "@types/react": "^18.3.12",
+    "@types/react": "^19.0.0",
     "@types/react-dom": "^18.3.1",
     "@types/react-syntax-highlighter": "^15.5.13",
     "@types/uuid": "^10.0.0",
@@ -27,7 +27,7 @@
     "filesize": "^10.1.6",
     "humanize-duration": "^3.29.0",
     "mui-file-input": "^6.0.0",
-    "react": "^18.2.0",
+    "react": "^19.0.0",
     "react-dom": "^18.2.0",
     "react-router-dom": "^7.0.1",
     "react-syntax-highlighter": "^15.6.1",