build: bump soupsieve from 2.5 to 2.6

Bumps [soupsieve](https://github.com/facelessuser/soupsieve) from 2.5 to 2.6.
- [Release notes](https://github.com/facelessuser/soupsieve/releases)
- [Commits](facelessuser/soupsieve@2.5...2.6)

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

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

requirements.txt

@@ -195,7 +195,7 @@ smmap==5.0.1
     # via gitdb
 snowballstemmer==2.2.0
     # via sphinx
-soupsieve==2.5
+soupsieve==2.6
     # via beautifulsoup4
 sphinx==7.4.7
     # via