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: indirect
  update-type: version-update:semver-minor
...

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