chore: [DevOps] bump org.openapitools:openapi-generator-maven-plugin (#426)

Bumps the plugins group with 1 update: org.openapitools:openapi-generator-maven-plugin.


Updates `org.openapitools:openapi-generator-maven-plugin` from 7.12.0 to 7.13.0

---
updated-dependencies:
- dependency-name: org.openapitools:openapi-generator-maven-plugin
  dependency-version: 7.13.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: plugins
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pom.xml

@@ -306,7 +306,7 @@
         <plugin>
           <groupId>org.openapitools</groupId>
           <artifactId>openapi-generator-maven-plugin</artifactId>
-          <version>7.12.0</version>
+          <version>7.13.0</version>
         </plugin>
       </plugins>
     </pluginManagement>