chore: improve infra meeting notes markdown output (#3909)

* add comments around backlog issues section

* add issue assignee(s) to the markdown output

.github/workflows/infra-meeting-release.yaml

@@ -63,7 +63,8 @@ jobs:
               if (issues.length > 0) {
                 for (const issue of issues) {
                   if ((issuesState == 'open') || ((issuesState == 'closed') && (issue.state_reason == closeReason))){
-                    markdown = markdown.concat("\r\n").concat(`  * [${issue.title}](${issue.html_url})`)
+                    const assigned = issues.assignees.join(', ')
+                    markdown = markdown.concat("\r\n").concat(`  * [${issue.title}](${issue.html_url}) (${assigned})`)
                   }
                 }
               }
@@ -93,7 +94,9 @@ jobs:
 
             ${wip}
 
+            <!--
             ${next}
+            -->
             </code></pre>
 
             <details><summary>Preview:</summary>