build(deps): bump @patternfly/react-charts (#1343)

Bumps the patternfly group in /ui with 1 update: [@patternfly/react-charts](https://github.com/patternfly/patternfly-react).


Updates `@patternfly/react-charts` from 7.4.7 to 7.4.8
- [Release notes](https://github.com/patternfly/patternfly-react/releases)
- [Commits](https://github.com/patternfly/patternfly-react/compare/@patternfly/[email protected]...@patternfly/[email protected])

---
updated-dependencies:
- dependency-name: "@patternfly/react-charts"
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: patternfly
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>