Update plugin net.serenity-bdd.serenity-gradle-plugin to v4.2.34 (#1314)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

build.gradle

@@ -7,7 +7,7 @@ plugins {
     id 'com.gorylenko.gradle-git-properties' version '2.5.2'
     id 'info.solidsoft.pitest' version '1.15.0'
     id 'au.com.dius.pact' version '4.6.17'
-    id 'net.serenity-bdd.serenity-gradle-plugin' version '4.2.33'
+    id 'net.serenity-bdd.serenity-gradle-plugin' version '4.2.34'
     id 'org.sonarqube' version '6.2.0.5505'
     id 'uk.gov.hmcts.java' version '0.12.67'
     id 'project-report'