CLDR-17803 docs/site: fix quoting and tpyo

.github/workflows/site.yml

@@ -50,9 +50,9 @@ jobs:
       uses: actions/github-script@v7
       with:
         script: |
-          github.rest.issues.CreateComment({
+          github.rest.issues.createComment({
             issue_number: context.issue.number,
             owner: context.repo.owner,
             repo: context.repo.repo,
-            body: `✨ deployed to <${{ steps.deploy.outputs.deployment-url }}>`
+            body: '✨ deployed to <${{ steps.deploy.outputs.deployment-url }}>'
             })