Update dependency org.springdoc:springdoc-openapi-starter-webmvc-ui to v2.8.16

Author: renovate[bot]

build.gradle

@@ -298,7 +298,7 @@ dependencies {
   implementation group: 'org.springframework.boot', name: 'spring-boot-starter-security', version: versions.springBoot
   implementation group: 'org.springframework.boot', name: 'spring-boot-starter-batch', version: versions.springBoot
 
-  implementation group: 'org.springdoc', name: 'springdoc-openapi-starter-webmvc-ui', version: '2.8.15'
+  implementation group: 'org.springdoc', name: 'springdoc-openapi-starter-webmvc-ui', version: '2.8.16'
   implementation group: 'org.springframework.hateoas', name: 'spring-hateoas', version: '2.5.1'
   implementation group: 'com.azure.spring', name: 'spring-cloud-azure-starter-active-directory', version: '6.1.0'