test: update to stable React v19 (#6713)

Co-authored-by: Marcus Notheis <[email protected]>

Author: Lukas742

.github/workflows/test.yml

@@ -38,9 +38,8 @@ jobs:
       - name: Install 19
         if: ${{ matrix.react == '19' }}
         run: |
-          yarn set resolution "@types/react@npm:*" "npm:types-react@rc"
-          yarn set resolution "@types/react-dom@npm:*" "npm:types-react-dom@rc"
-          yarn add react@rc react-dom@rc
+          yarn add "@types/react@19" "@types/react-dom@19" --dev
+          yarn add react@19 react-dom@19
 
       - name: Cypress run
         if: ${{ (matrix.react == '19' && matrix.spec == 'charts') != true }}