Adding security policy (#6666)

* Create SECURITY.md

* Don't require license header on SECURITY.md

* Autoformat SECURITY.md

---------

Co-authored-by: Vincent Donato <vincent@streamlit.io>

SECURITY.md

@@ -0,0 +1,13 @@
+# Security Policy
+
+## Supported Versions
+
+| Version   | Supported |
+| --------- | --------- |
+| >= 1.11.1 | ✅        |
+
+</br>
+
+Please refer to the Snowflake [HackerOne program](https://hackerone.com/snowflake?type=team) for our security policies and for reporting any security vulnerabilities.
+
+For other security related questions and concerns, please contact the Snowflake security team at security@snowflake.com

scripts/check_license_headers.py

@@ -36,7 +36,7 @@
     # Exclude images.
     r"|\.(?:png|jpg|jpeg|gif|ttf|woff|otf|eot|woff2|ico|svg)$"
     # Exclude files, because they make it obvious which product they relate to.
-    r"|(LICENSE|NOTICES|CODE_OF_CONDUCT\.md|README\.md|CONTRIBUTING\.md)$"
+    r"|(LICENSE|NOTICES|CODE_OF_CONDUCT\.md|README\.md|CONTRIBUTING\.md|SECURITY.md)$"
     # Exclude files, because they do not support comments
     r"|\.(json|prettierrc|nvmrc)$"
     # Exclude generated files, because they don't have any degree of creativity.