Bump graphene-webdriver from 2.3.2 to 2.5.4

Bumps graphene-webdriver from 2.3.2 to 2.5.4.

---
updated-dependencies:
- dependency-name: org.jboss.arquillian.graphene:graphene-webdriver
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -51,7 +51,7 @@
         <apache.bcel.version>6.5.0</apache.bcel.version>
         <arquillian.version>1.7.0.Alpha10</arquillian.version>
         <arquillian.drone.version>2.5.2</arquillian.drone.version>
-        <arquillian.graphene.version>2.3.2</arquillian.graphene.version>
+        <arquillian.graphene.version>2.5.4</arquillian.graphene.version>
         <arquillian.weld.version>2.1.0.Final</arquillian.weld.version>
         <arquillian.se.container.version>1.0.2.Final</arquillian.se.container.version>
         <arquillian.tomcat.version>1.1.0.Final</arquillian.tomcat.version>