Bump soupsieve from 2.8.3 to 2.8.4

Bumps [soupsieve](https://github.com/facelessuser/soupsieve) from 2.8.3 to 2.8.4.
- [Release notes](https://github.com/facelessuser/soupsieve/releases)
- [Commits](facelessuser/soupsieve@2.8.3...2.8.4)

---
updated-dependencies:
- dependency-name: soupsieve
  dependency-version: 2.8.4
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements-notebook.txt

@@ -87,7 +87,7 @@ seaborn==0.13.2
 Send2Trash==2.1.0
 setuptools==82.0.1
 six==1.17.0
-soupsieve==2.8.3
+soupsieve==2.8.4
 stack-data==0.6.3
 terminado==0.18.1
 tinycss2==1.4.0