[Snyk] Upgrade primer-css from 9.3.0 to 9.6.0#1

snyk-bot wants to merge 1 commit intomasterroru78/training-kit:masterfrom

snyk-upgrade-7cda190f37cf22cf424deb6b6a53be18roru78/training-kit:snyk-upgrade-7cda190f37cf22cf424deb6b6a53be18Copy head branch name to clipboard