Merge pull request #646 from scipp/dependabot/pip/requirements/scippnexus-25.11.0

Bump scippnexus from 25.6.0 to 25.11.0 in /requirements

Author: MridulS

requirements/base.txt

@@ -61,12 +61,11 @@ python-dateutil==2.9.0.post0
     # via
     #   -r base.in
     #   matplotlib
-    #   scippnexus
 scipp==25.11.0
     # via
     #   -r base.in
     #   scippnexus
-scippnexus==25.6.0
+scippnexus==25.11.0
     # via -r base.in
 scipy==1.16.1
     # via