build(deps): bump org.openapitools:openapi-generator-maven-plugin

Bumps 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
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

rest-adapter/pom.xml

@@ -41,7 +41,7 @@
       <plugin>
         <groupId>org.openapitools</groupId>
         <artifactId>openapi-generator-maven-plugin</artifactId>
-        <version>7.12.0</version>
+        <version>7.13.0</version>
         <executions>
           <execution>
             <id>generate-open-api-source</id>