Bump soupsieve from 2.7 to 2.8

Bumps [soupsieve](https://github.com/facelessuser/soupsieve) from 2.7 to 2.8.
- [Release notes](https://github.com/facelessuser/soupsieve/releases)
- [Commits](facelessuser/soupsieve@2.7...2.8)

---
updated-dependencies:
- dependency-name: soupsieve
  dependency-version: '2.8'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

constraints.txt

@@ -37,7 +37,7 @@ pyxdg==0.28
 PyYAML==6.0.2
 requests==2.32.3
 sniffio==1.3.1
-soupsieve==2.7
+soupsieve==2.8
 SQLAlchemy==1.3.24
 tornado==4.5.3
 typing_extensions==4.14.0