Upgrade react testing library from v12 to v14

Author: andreas-schultz

package.json

@@ -132,7 +132,7 @@
         "@storybook/react-webpack5": "^8.6.14",
         "@storybook/test": "^8.6.14",
         "@testing-library/jest-dom": "^6.9.1",
-        "@testing-library/react": "^12.1.5",
+        "@testing-library/react": "^14.3.1",
         "@types/color": "^3.0.6",
         "@types/he": "^1.2.3",
         "@types/jest": "^30.0.0",