Install imagemagick in github workflows #1675

Job	Run time
trigger-edge-build	0s
rspec (pageflow, 3.2, ., bin/rspec --tag ~js, true)	6m 20s
jest (pageflow, package)	2m 2s
rspec (pageflow, 3.2, ., bin/rspec-with-retry --tag js)	5m 6s
jest (pageflow-paged, entry_types/paged/packages/pageflow-paged)	1m 42s
rspec (pageflow_paged, 3.2, entry_types/paged, pageflow_paged, bin/rspec)	3m 59s
jest (pageflow-paged-react, entry_types/paged/packages/pageflow-paged-react)	1m 51s
rspec (pageflow_scrolled, 3.2, entry_types/scrolled, pageflow_scrolled, bin/rspec --tag ~js)	4m 46s
jest (pageflow-scrolled, entry_types/scrolled/package)	2m 30s
rspec (pageflow_scrolled, 3.2, entry_types/scrolled, pageflow_scrolled, bin/rspec-with-retry-on-t...	5m 22s
	33m 38s

Provide feedback