Update plugin org.owasp.dependencycheck to v12.1.8

Author: renovate[bot]

build.gradle

@@ -6,7 +6,7 @@ plugins {
   id 'jacoco'
   id 'io.spring.dependency-management' version '1.1.7'
   id 'org.springframework.boot' version '3.5.6'
-  id 'org.owasp.dependencycheck' version '12.1.6'
+  id 'org.owasp.dependencycheck' version '12.1.8'
   id 'uk.gov.hmcts.java' version '0.12.67'
   id 'com.github.ben-manes.versions' version '0.53.0'
   id 'org.sonarqube' version '6.3.1.5724'