Bump robotframework-seleniumlibrary from 6.3.0 to 6.6.1

Bumps [robotframework-seleniumlibrary](https://github.com/robotframework/SeleniumLibrary) from 6.3.0 to 6.6.1.
- [Release notes](https://github.com/robotframework/SeleniumLibrary/releases)
- [Changelog](https://github.com/robotframework/SeleniumLibrary/blob/master/CHANGES.rst)
- [Commits](robotframework/SeleniumLibrary@v6.3.0...v6.6.1)

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

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

requirements.txt

@@ -3,4 +3,4 @@ requests==2.32.3
 beautifulsoup4==4.12.3
 flask==3.0.3
 robotframework==7.0.1
-robotframework-seleniumlibrary==6.3.0
+robotframework-seleniumlibrary==6.6.1