Revert "chore(deps): update dependency org.openapitools:openapi-generator-cli to v7.22.0" (#832)

Reverts #810


#823 should handle this,
and we should not keep current status. Every commits hooks new PRs like
#829
#827
#831

Author: Yang-33

generator/pom.xml

@@ -38,6 +38,6 @@
     </build>
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <openapi-generator-version>7.22.0</openapi-generator-version>
+        <openapi-generator-version>7.11.0</openapi-generator-version>
     </properties>
 </project>