Correct JS codeblock in 14_js-files-activity.md

Author: lucie-docs

responses/14_js-files-activity.md

@@ -33,7 +33,7 @@ async function run() {
     const jokeBody = core.getInput("joke");
     const token = core.getInput("repo-token");
 
-    const octokit = new github.GitHub(token);
+    const octokit = new github.getOctokit(token);
 
     const newIssue = await octokit.issues.create({
       repo: github.context.repo.repo,