Create a template for security related bugs (#43836)

* Create a template for security related bugs

This template serves as a redirect for people who might not know where to open security related issues.  It guides them to email security@ansible.com instead of opening an issue here.

* Update security_bug_report.md

.github/ISSUE_TEMPLATE/security_bug_report.md

@@ -0,0 +1,8 @@
+---
+name: 🔥 Security bug report
+about: How to report security vulnerabilities
+---
+
+For all security related bugs, email security@ansible.com instead of using this issue tracker and you will receive a prompt response.
+
+For more information, see https://docs.ansible.com/ansible/latest/community/reporting_bugs_and_features.html