Merge pull request ceph#63009 from bluikko/doc-bucketpolicy-addedin-radosgw

doc/radosgw: Use macro for release info in bucketpolicy.rst

Author: anthonyeleven

doc/radosgw/bucketpolicy.rst

@@ -2,7 +2,7 @@
 Bucket Policies
 ===============
 
-*Bucket policies were added in the Luminous release of Ceph.*
+.. versionadded:: Luminous
 
 The Ceph Object Gateway supports a subset of the Amazon S3 policy
 language applied to buckets.