[Snyk] Upgrade express from 4.18.2 to 4.21.2#5

tiny-mcg wants to merge 1 commit intomaintinymce/openai-proxy-reference-implementation:mainfrom

snyk-upgrade-4f3c1ca8d931aa59708b81632cc995b4tinymce/openai-proxy-reference-implementation:snyk-upgrade-4f3c1ca8d931aa59708b81632cc995b4Copy head branch name to clipboard