Bump selenium-webdriver from 3.142.7 to 4.0.0

Bumps [selenium-webdriver](https://github.com/SeleniumHQ/selenium) from 3.142.7 to 4.0.0.
- [Release notes](https://github.com/SeleniumHQ/selenium/releases)
- [Changelog](https://github.com/SeleniumHQ/selenium/blob/trunk/rb/CHANGES)
- [Commits](https://github.com/SeleniumHQ/selenium/commits/selenium-4.0.0)

---
updated-dependencies:
- dependency-name: selenium-webdriver
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Gemfile.lock

@@ -135,7 +135,7 @@ GEM
       mini_mime (>= 0.1.3)
       ssrf_filter (~> 1.0)
     charlock_holmes (0.7.7)
-    childprocess (3.0.0)
+    childprocess (4.1.0)
     chronic (0.10.2)
     coderay (1.1.3)
     concurrent-ruby (1.1.9)
@@ -443,8 +443,9 @@ GEM
       sprockets (> 3.0)
       sprockets-rails
       tilt
-    selenium-webdriver (3.142.7)
-      childprocess (>= 0.5, < 4.0)
+    selenium-webdriver (4.0.0)
+      childprocess (>= 0.5, < 5.0)
+      rexml (~> 3.2, >= 3.2.5)
       rubyzip (>= 1.2.2)
     semantic_range (3.0.0)
     sentry-rails (4.7.3)