security(deps): bump nbformat from 5.11.0 to 5.11.1

Bumps [nbformat](https://github.com/jupyter/nbformat) from 5.11.0 to 5.11.1.
- [Release notes](https://github.com/jupyter/nbformat/releases)
- [Changelog](https://github.com/jupyter/nbformat/blob/main/CHANGELOG.md)
- [Commits](https://github.com/jupyter/nbformat/compare/v5.11.0...v5.11.1)

---
updated-dependencies:
- dependency-name: nbformat
  dependency-version: 5.11.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements-ci.txt

@@ -3488,9 +3488,9 @@ nbconvert==7.17.1 \
     # via
     #   jupyter
     #   jupyter-server
-nbformat==5.11.0 \
-    --hash=sha256:7dbaed4a69cae28c2b4d44ab7430a6af4544fb89455023f6f21550be757b60c8 \
-    --hash=sha256:f70a17f591a9ccd1c601d5e61a4b20972703926df0ba42458ce14bf575766bb6
+nbformat==5.11.1 \
+    --hash=sha256:32d4521c68c6e7d5b29c76defaeed9f42ea733142b9b19f88277ce10390b9c4d \
+    --hash=sha256:cc6698fa75f4fab8755ead786317815f13a6fee3b53311c0abb1a8b51d52f7ec
     # via
     #   jupyter-server
     #   nbclient