chore(deps): update dependency org.openapitools:openapi-generator-maven-plugin to v7.9.0

Author: renovate[bot]

pom.xml

@@ -140,7 +140,7 @@
         <plugin>
           <groupId>org.openapitools</groupId>
           <artifactId>openapi-generator-maven-plugin</artifactId>
-          <version>7.8.0</version>
+          <version>7.9.0</version>
         </plugin>
         <plugin>
           <groupId>org.sonatype.plugins</groupId>