fix(deps): update react monorepo to v19

.github/workflows/validate.yml

@@ -16,7 +16,7 @@ jobs:
         node-version-file: '.nvmrc'
     - run: make validate.ci
     - name: Archive code coverage results
-      uses: actions/upload-artifact@v7
+      uses: actions/upload-artifact@v4
       with:
         name: code-coverage-report
         path: coverage/*.*
@@ -26,7 +26,7 @@ jobs:
     steps:
     - uses: actions/checkout@v5
     - name: Download code coverage results
-      uses: actions/download-artifact@v8
+      uses: actions/download-artifact@v5
       with:
         pattern: code-coverage-report
     - name: Upload coverage

package.json

@@ -58,8 +58,8 @@
     "postcss-loader": "^8.1.1",
     "prop-types": "15.8.1",
     "query-string": "^7.1.3",
-    "react": "^18.3.1",
-    "react-dom": "^18.3.1",
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0",
     "react-helmet": "6.1.0",
     "react-redux": "7.2.9",
     "react-router": "6.15.0",