Bump @patternfly/react-icons from 5.4.2 to 6.1.0 in /ui/ui-app

Bumps [@patternfly/react-icons](https://github.com/patternfly/patternfly-react) from 5.4.2 to 6.1.0.
- [Release notes](https://github.com/patternfly/patternfly-react/releases)
- [Commits](https://github.com/patternfly/patternfly-react/compare/@patternfly/react-icons@5.4.2...@patternfly/react-icons@6.1.0)

---
updated-dependencies:
- dependency-name: "@patternfly/react-icons"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

ui/ui-app/package.json

@@ -41,7 +41,7 @@
     "@monaco-editor/react": "4.6.0",
     "@patternfly/patternfly": "5.4.2",
     "@patternfly/react-core": "5.4.12",
-    "@patternfly/react-icons": "5.4.2",
+    "@patternfly/react-icons": "6.1.0",
     "@patternfly/react-table": "5.4.13",
     "oidc-client-ts": "3.1.0",
     "prop-types": "15.8.1",