[Snyk] Upgrade tinymce from 7.8.0 to 7.9.0#2022

asmecher wants to merge 1 commit intomainpkp/omp:mainfrom

snyk-upgrade-ee14518b9ead1c94f90208947ba64d98pkp/omp:snyk-upgrade-ee14518b9ead1c94f90208947ba64d98Copy head branch name to clipboard