meta: use HTML entities in commit-queue comment

PR-URL: #53744
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

tools/actions/commit-queue.sh

@@ -19,7 +19,7 @@ commit_queue_failed() {
 
   # shellcheck disable=SC2154
   cqurl="${GITHUB_SERVER_URL}/${OWNER}/${REPOSITORY}/actions/runs/${GITHUB_RUN_ID}"
-  body="<details><summary>Commit Queue failed</summary><pre>$(cat output)</pre><a href='$cqurl'>$cqurl</a></details>"
+  body="<details><summary>Commit Queue failed</summary><pre>$(sed -e 's/&/\&amp;/g' -e 's/</\&lt;/g' -e 's/>/\&gt;/g' output)</pre><a href='$cqurl'>$cqurl</a></details>"
   echo "$body"
 
   gh pr comment "$pr" --body "$body"