[Snyk] Upgrade tinymce from 7.8.0 to 7.9.0#1002

asmecher wants to merge 1 commit intomainpkp/ops:mainfrom

snyk-upgrade-9bf93f2236364c3ff4085fbecc107780pkp/ops:snyk-upgrade-9bf93f2236364c3ff4085fbecc107780Copy head branch name to clipboard