[gradle]: Bump org.seleniumhq.selenium:selenium-java

Bumps [org.seleniumhq.selenium:selenium-java](https://github.com/SeleniumHQ/selenium) from 4.14.1 to 4.15.0.
- [Release notes](https://github.com/SeleniumHQ/selenium/releases)
- [Commits](https://github.com/SeleniumHQ/selenium/commits/selenium-4.15.0)

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

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

build.gradle

@@ -185,7 +185,7 @@ dependencies {
     implementation("io.netty:netty-codec-http2:4.1.100.Final")
 
     // Accessibility Tests
-    accessibilityTestImplementation("org.seleniumhq.selenium:selenium-java:4.14.1")
+    accessibilityTestImplementation("org.seleniumhq.selenium:selenium-java:4.15.0")
     accessibilityTestImplementation("com.deque.html.axe-core:selenium:4.8.0")
 
     // Kotest manual update