build(deps): bump scipp from 24.5.1 to 24.6.0 in /requirements

Bumps [scipp](https://github.com/scipp/scipp) from 24.5.1 to 24.6.0.
- [Release notes](https://github.com/scipp/scipp/releases)
- [Commits](scipp/scipp@24.05.1...24.06.0)

---
updated-dependencies:
- dependency-name: scipp
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements/base.txt

@@ -29,8 +29,6 @@ decorator==5.1.1
     # via ipython
 essreduce==24.3.11
     # via -r base.in
-exceptiongroup==1.2.1
-    # via ipython
 executing==2.0.1
     # via stack-data
 fonttools==4.53.0
@@ -45,8 +43,6 @@ h5py==3.11.0
     #   scippnexus
 idna==3.7
     # via requests
-importlib-metadata==7.1.0
-    # via dask
 ipydatawidgets==4.3.5
     # via pythreejs
 ipython==8.25.0
@@ -127,7 +123,7 @@ requests==2.32.3
     # via pooch
 sciline==24.6.0
     # via -r base.in
-scipp==24.5.1
+scipp==24.6.0
     # via
     #   -r base.in
     #   essreduce
@@ -163,13 +159,9 @@ traitlets==5.14.3
     #   traittypes
 traittypes==0.2.1
     # via ipydatawidgets
-typing-extensions==4.12.2
-    # via ipython
 urllib3==2.2.2
     # via requests
 wcwidth==0.2.13
     # via prompt-toolkit
 widgetsnbextension==4.0.11
     # via ipywidgets
-zipp==3.19.2
-    # via importlib-metadata