Update dependency io.rest-assured:rest-assured to v5.5.6 (#305)

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

Author: renovate[bot]

build.gradle

@@ -207,7 +207,7 @@ dependencies {
 
   implementation group: 'org.apache.logging.log4j', name: 'log4j-api', version: log4JVersion
   implementation group: 'org.apache.logging.log4j', name: 'log4j-to-slf4j', version: log4JVersion
-  testImplementation group: 'io.rest-assured', name: 'rest-assured', version: '5.5.5'
+  testImplementation group: 'io.rest-assured', name: 'rest-assured', version: '5.5.6'
 
   testImplementation (group: 'org.springframework.boot', name: 'spring-boot-starter-test') {
     exclude group: 'org.junit.vintage', module: 'junit-vintage-engine'