build: bump the pip group across 1 directory with 2 updates

Bumps the pip group with 2 updates in the / directory: [jupyter-server](https://github.com/jupyter-server/jupyter_server) and [mistune](https://github.com/lepture/mistune).


Updates `jupyter-server` from 2.17.0 to 2.18.0
- [Release notes](https://github.com/jupyter-server/jupyter_server/releases)
- [Changelog](https://github.com/jupyter-server/jupyter_server/blob/main/CHANGELOG.md)
- [Commits](jupyter-server/jupyter_server@v2.17.0...v2.18.0)

Updates `mistune` from 3.1.4 to 3.2.1
- [Release notes](https://github.com/lepture/mistune/releases)
- [Changelog](https://github.com/lepture/mistune/blob/main/docs/changes.rst)
- [Commits](lepture/mistune@v3.1.4...v3.2.1)

---
updated-dependencies:
- dependency-name: jupyter-server
  dependency-version: 2.18.0
  dependency-type: direct:production
  dependency-group: pip
- dependency-name: mistune
  dependency-version: 3.2.1
  dependency-type: direct:production
  dependency-group: pip
...

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

Author: dependabot[bot]

requirements.lock.txt

@@ -41,7 +41,7 @@ jupyter-events==0.12.0
 jupyter-lsp==2.3.0
 jupyter_client==8.6.3
 jupyter_core==5.9.1
-jupyter_server==2.17.0
+jupyter_server==2.18.0
 jupyter_server_terminals==0.5.3
 jupyterlab==4.5.7
 jupyterlab_pygments==0.3.0
@@ -52,7 +52,7 @@ lark==1.3.0
 MarkupSafe==3.0.3
 matplotlib==3.10.7
 matplotlib-inline==0.1.7
-mistune==3.1.4
+mistune==3.2.1
 nbclient==0.10.2
 nbconvert==7.17.1
 nbformat==5.10.4