chore(deps): update dependency org.openapitools:openapi-generator-maven-plugin to v7.16.0

Author: renovate[bot]

pom.xml

@@ -51,7 +51,7 @@
         <spring.statemachine>4.0.1</spring.statemachine>
         <icu4j.version>77.1</icu4j.version>
         <hibernate.search>7.2.4.Final</hibernate.search>
-        <openapi-generator-version>7.15.0</openapi-generator-version>
+        <openapi-generator-version>7.16.0</openapi-generator-version>
     </properties>