Bump org.seleniumhq.selenium:selenium-java from 4.20.0 to 4.21.0

Bumps [org.seleniumhq.selenium:selenium-java](https://github.com/SeleniumHQ/selenium) from 4.20.0 to 4.21.0.
- [Release notes](https://github.com/SeleniumHQ/selenium/releases)
- [Commits](SeleniumHQ/selenium@selenium-4.20.0...selenium-4.21.0)

---
updated-dependencies:
- dependency-name: org.seleniumhq.selenium:selenium-java
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

build.gradle

@@ -112,7 +112,7 @@ dependencies {
     implementation "software.amazon.awssdk:sns:${awsVersion}"
     implementation "software.amazon.awssdk:devicefarm:${awsVersion}"
     implementation 'com.google.cloud:google-cloud-pubsub:1.129.4'
-    implementation 'org.seleniumhq.selenium:selenium-java:4.20.0'
+    implementation 'org.seleniumhq.selenium:selenium-java:4.21.0'
     implementation 'org.seleniumhq.selenium:selenium-remote-driver:4.21.0'
     implementation 'io.appium:java-client:9.2.2'
     implementation 'org.awaitility:awaitility:4.2.1'