Bump soupsieve from 2.6 to 2.8.4 in /Python

Bumps [soupsieve](https://github.com/facelessuser/soupsieve) from 2.6 to 2.8.4.
- [Release notes](https://github.com/facelessuser/soupsieve/releases)
- [Commits](facelessuser/soupsieve@2.6...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]

Python/requirements-notebook.txt

@@ -86,7 +86,7 @@ rpds-py==0.22.3
 Send2Trash==1.8.3
 six==1.17.0
 sniffio==1.3.1
-soupsieve==2.6
+soupsieve==2.8.4
 stack-data==0.6.3
 terminado==0.18.1
 tinycss2==1.4.0