build(deps): bump @reduxjs/toolkit from 2.5.1 to 2.6.0

Bumps [@reduxjs/toolkit](https://github.com/reduxjs/redux-toolkit) from 2.5.1 to 2.6.0.
- [Release notes](https://github.com/reduxjs/redux-toolkit/releases)
- [Commits](https://github.com/reduxjs/redux-toolkit/compare/v2.5.1...v2.6.0)

---
updated-dependencies:
- dependency-name: "@reduxjs/toolkit"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -14,7 +14,7 @@
     "@redhat-cloud-services/frontend-components": "5.2.6",
     "@redhat-cloud-services/frontend-components-notifications": "4.1.20",
     "@redhat-cloud-services/frontend-components-utilities": "5.0.11",
-    "@reduxjs/toolkit": "2.5.1",
+    "@reduxjs/toolkit": "2.6.0",
     "@scalprum/react-core": "0.9.3",
     "@sentry/webpack-plugin": "3.2.1",
     "@unleash/proxy-client-react": "4.5.2",