ci: reduce job parallelism to 4 as a workaround for current billing issues
ci: reduce job parallelism to 4 as a workaround for current billing issues

storybooks/react-storybook,storybooks/react-storybook,storybooks/storybook,storybooks/storybook,kadirahq/react-storybook,storybooks/react-storybook,storybooks/storybook,storybooks/storybook,storybooks/storybook,storybooks/storybook,storybooks/storybook,kadirahq/react-storybook,storybooks/react-storybook