refs TG-2: test Jenkins comment

Jenkinsfile

@@ -100,6 +100,23 @@ payload = json.dumps({
     "version": data["version"],
 }).encode("utf-8")
 
+url = f"{taiga_url}/api/v1/{endpoint}/{data['id']}"
+req = urllib.request.Request(
+    url,
+    data=payload,
+    headers=headers,
+    method="PATCH",
+)
+
+try:
+    with urllib.request.urlopen(req) as r:
+        print(f"Commented Taiga TG-{ref} ({label}), HTTP {r.status}")
+except urllib.error.HTTPError as e:
+    body = e.read().decode("utf-8", errors="replace")
+    print(f"Taiga comment failed: HTTP {e.code}")
+    print(body)
+    raise SystemExit(0)
+
 url = f"{taiga_url}/api/v1/{endpoint}/{data['id']}/comments"
 req = urllib.request.Request(
     url,