fix: change OWASP security reference to the general OWASP Cheat Sheet Series

Author: bendehaan

guides/source/security.md

@@ -1459,4 +1459,4 @@ The security landscape shifts and it is important to keep up to date, because mi
 
 * Subscribe to the Rails security [mailing list](https://discuss.rubyonrails.org/c/security-announcements/9).
 * [Mozilla's Web Security Guidelines](https://infosec.mozilla.org/guidelines/web_security.html) - Recommendations on topics covering Content Security Policy, HTTP headers, Cookies, TLS configuration, etc.
-* A [good security blog](https://owasp.org/) including the [Cross-Site scripting Cheat Sheet](https://github.com/OWASP/CheatSheetSeries/blob/master/cheatsheets/Cross_Site_Scripting_Prevention_Cheat_Sheet.md).
+* A [good set of security resources](https://owasp.org/), notably the [Cheat Sheet Series](https://cheatsheetseries.owasp.org/index.html), with for example the [Cross-Site Scripting Cheat Sheet](https://cheatsheetseries.owasp.org/cheatsheets/Cross_Site_Scripting_Prevention_Cheat_Sheet.html).