fix: update SUPPORTED_LANGUAGES.md with Ceylon and Clojure aliases#4372

KJyang-0114 wants to merge 2 commits intohighlightjs:mainhighlightjs/highlight.js:mainfrom

KJyang-0114:fix/issue-4359-supported-languagesKJyang-0114/highlight.js:fix/issue-4359-supported-languagesCopy head branch name to clipboard