Add 'prefetchCache' and 'prerenderCache' to allowed values

Author: alamirault

reference/configuration/security.rst

@@ -373,7 +373,7 @@ The ``Clear-Site-Data`` HTTP header clears browsing data (cookies, storage, cach
 associated with the requesting website. It allows web developers to have more
 control over the data stored by a client browser for their origins.
 
-Allowed values are ``cache``, ``cookies``, ``storage``, ``clientHints``, ``executionContexts``, 
+Allowed values are ``cache``, ``cookies``, ``storage``, ``clientHints``, ``executionContexts``,
 ``prefetchCache`` and ``prerenderCache``.
 It's also possible to use ``*`` as a wildcard for all directives: