Bump @patternfly/react-core from 4.231.8 to 4.239.0 in /awx/ui

Bumps [@patternfly/react-core](https://github.com/patternfly/patternfly-react) from 4.231.8 to 4.239.0.
- [Release notes](https://github.com/patternfly/patternfly-react/releases)
- [Commits](https://github.com/patternfly/patternfly-react/compare/@patternfly/react-core@4.231.8...@patternfly/react-core@4.239.0)

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

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

awx/ui/package.json

@@ -8,7 +8,7 @@
   "dependencies": {
     "@lingui/react": "3.14.0",
     "@patternfly/patternfly": "4.210.2",
-    "@patternfly/react-core": "^4.221.3",
+    "@patternfly/react-core": "^4.239.0",
     "@patternfly/react-icons": "4.90.0",
     "@patternfly/react-table": "4.100.8",
     "ace-builds": "^1.10.1",