[Snyk] Security upgrade @material-ui/core from 1.5.1 to 4.12.4#80

kopax wants to merge 1 commit intomasterbootstrap-styled/ra-ui:masterfrom

snyk-fix-8fed6aaa7489fe2dcf6fef76e51bff52bootstrap-styled/ra-ui:snyk-fix-8fed6aaa7489fe2dcf6fef76e51bff52Copy head branch name to clipboard