Update dependency io.rest-assured:rest-assured to v5.5.5 (#168)

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

Author: renovate[bot]

build.gradle

@@ -221,7 +221,7 @@ dependencies {
 
   testImplementation libraries.junit5
   testImplementation group: 'com.github.hmcts', name: 'fortify-client', version: '1.4.9', classifier: 'all'
-  testImplementation group: 'io.rest-assured', name: 'rest-assured', version: '5.5.0'
+  testImplementation group: 'io.rest-assured', name: 'rest-assured', version: '5.5.5'
   testImplementation group: 'org.springframework.boot', name: 'spring-boot-starter-test'
   testImplementation group: 'org.springframework.cloud', name: 'spring-cloud-starter-contract-stub-runner', version: '4.1.4'