chore(deps): update react monorepo to v19

Author: renovate[bot]

package.json

@@ -45,9 +45,9 @@
     "jest": "30.2.0",
     "jest-chain": "1.1.6",
     "prop-types": "15.8.1",
-    "react": "18.3.1",
-    "react-dom": "18.3.1",
-    "react-test-renderer": "18.3.1",
+    "react": "19.2.6",
+    "react-dom": "19.2.6",
+    "react-test-renderer": "19.2.6",
     "reactifex": "1.1.1",
     "redux-mock-store": "^1.5.5",
     "resize-observer-polyfill": "^1.5.1"
@@ -70,8 +70,8 @@
     "@edx/frontend-platform": "^7.0.1 || ^8.0.0",
     "@openedx/paragon": "^23.0.0",
     "prop-types": "^15.5.10",
-    "react": "^16.9.0 || ^17.0.0 || ^18.0.0",
-    "react-dom": "^16.9.0 || ^17.0.0 || ^18.0.0",
+    "react": "^16.9.0 || ^17.0.0 || ^18.0.0 || ^19.0.0",
+    "react-dom": "^16.9.0 || ^17.0.0 || ^18.0.0 || ^19.0.0",
     "react-redux": "^7.2.9",
     "react-router-dom": "^6.0.0"
   }