Lint the bug issue template

Author: krassowski

.github/ISSUE_TEMPLATE/bug_report.md

@@ -75,5 +75,6 @@ To learn how to open the developer tools in your browser:
 https://developer.mozilla.org/en-US/docs/Learn/Common_questions/What_are_browser_developer_tools#How_to_open_the_devtools_in_your_browser
 If too many messagess accumulated after many hours of working in JupyterLab,
 consider refreshing the window and then reproducing the bug to reduce the noise in the logs.
+
 </pre>
 </details>