update an obsolete link to cgit

doc/source/pre/whatsnew/1.0.rst

@@ -3,8 +3,8 @@ What's new in Kwant 1.0
 
 This article explains the new features in Kwant 1.0 compared to Kwant 0.2.
 Kwant 1.0 was released on 9 September 2013.  Please consult the `full list of
-changes in Kwant <https://git.kwant-project.org/kwant/log/?h=v1.0.5>`_ for all
-the changes up to the most recent bugfix release.
+changes in Kwant <https://gitlab.kwant-project.org/kwant/kwant/-/commits/v1.0.5>`_
+for all the changes up to the most recent bugfix release.
 
 
 Lattice and shape improvements