[RelNotes] Update RDF release notes
[RelNotes] Update RDF release notes

* Add mention of name changes in ROOT::{Detail,Internal}
* Mention ROOT-11009 and the corresponding behavior change

Co-authored-by: Stephan Hageboeck <4db7e0e579e9b6a6dd6449b1d334cf5749aaf6de@cern.ch>
olifre/root,root-mirror/root,root-mirror/root,root-mirror/root,root-mirror/root,olifre/root,olifre/root,root-mirror/root,olifre/root,olifre/root,olifre/root,root-mirror/root,olifre/root,root-mirror/root,olifre/root,root-mirror/root,root-mirror/root,olifre/root,olifre/root,root-mirror/root,root-mirror/root,olifre/root