Update versions.rst

Update version to v4.9.1 for perms patch.

doc/sphinx-guides/source/versions.rst

@@ -5,7 +5,8 @@ Dataverse Guides Versions
 
 This list provides a way to refer to previous versions of the Dataverse guides, which we still host. In order to learn more about the updates delivered from one version to another, visit the `Releases <https://github.com/IQSS/dataverse/releases>`__ page in our GitHub repo.
 
-- 4.9
+- 4.9.1
+- `4.9 </en/4.9/>`__
 - `4.8.6 </en/4.8.6/>`__
 - `4.8.5 </en/4.8.5/>`__
 - `4.8.4 </en/4.8.4/>`__
@@ -31,4 +32,4 @@ This list provides a way to refer to previous versions of the Dataverse guides,
 - `4.1 </en/4.1/>`__
 - `4.0.1 </en/4.0.1/>`__
 - `4.0 </en/4.0/>`__
-- `3.6.2 </en/3.6.2/>`__
+- `3.6.2 </en/3.6.2/>`__