Bump splinter from 0.18.1 to 0.19.0

Bumps [splinter](https://github.com/cobrateam/splinter) from 0.18.1 to 0.19.0.
- [Release notes](https://github.com/cobrateam/splinter/releases)
- [Changelog](https://github.com/cobrateam/splinter/blob/master/docs/news.rst)
- [Commits](cobrateam/splinter@0.18.1...0.19.0)

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

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

requirements.txt

@@ -154,7 +154,7 @@ requests-toolbelt==0.10.1
 flake8==6.0.0
 pytest==7.2.1
 pytest-bdd==6.1.1
-splinter==0.18.1
+splinter==0.19.0
 pytest-splinter==3.3.2
 pytest-django==4.5.2
 setuptools>=59.1.1,<66.1.0