Added JSDoc to ESLint (#3529)

* Added JSDoc to eslint rules

Signed-off-by: Matthew Nickson <mnickson@sidingsmedia.com>

* Fixed JSDoc eslint errors

Signed-off-by: Matthew Nickson <mnickson@sidingsmedia.com>

* Update the check-linters workflow to Node.js 20

---------

Signed-off-by: Matthew Nickson <mnickson@sidingsmedia.com>
Co-authored-by: Louis Lam <louislam@users.noreply.github.com>

extra/update-wiki-version.js

@@ -13,6 +13,7 @@ updateWiki(newVersion);
 /**
  * Update the wiki with new version number
  * @param {string} newVersion Version to update to
+ * @returns {void}
  */
 function updateWiki(newVersion) {
     const wikiDir = "./tmp/wiki";
@@ -46,6 +47,7 @@ function updateWiki(newVersion) {
 /**
  * Check if a directory exists and then delete it
  * @param {string} dir Directory to delete
+ * @returns {void}
  */
 function safeDelete(dir) {
     if (fs.existsSync(dir)) {