package.json: Update @patternfly/react-core package dependency
package.json: Update @patternfly/react-core package dependency

Closes #903

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