[Snyk] Upgrade @wordpress/i18n from 3.9.0 to 3.20.0#8

gorohoroh wants to merge 1 commit intomastergorohoroh/gorohoroh-wordpress-plugins:masterfrom

snyk-upgrade-a03d1067528e77227389ba7d3351348fgorohoroh/gorohoroh-wordpress-plugins:snyk-upgrade-a03d1067528e77227389ba7d3351348fCopy head branch name to clipboard