package.json: update @patternfly/react-core
package.json: update @patternfly/react-core

@patternfly/react-core 4.75.2 broke our builds due to a missing style
for the Splitter component. Upgrading to 4.79.2 fixes the error.

jkozol/welder-web,weldr/welder-web,jkozol/welder-web,weldr/welder-web,jkozol/welder-web,weldr/welder-web,jkozol/welder-web,weldr/welder-web