chore(deps-dev): bump org.openapitools:openapi-generator in /dhis-2 (#23870)

Bumps [org.openapitools:openapi-generator](https://github.com/openapitools/openapi-generator) from 7.14.0 to 7.22.0.
- [Release notes](https://github.com/openapitools/openapi-generator/releases)
- [Changelog](https://github.com/OpenAPITools/openapi-generator/blob/master/docs/release-summary.md)
- [Commits](OpenAPITools/openapi-generator@v7.14.0...v7.22.0)

---
updated-dependencies:
- dependency-name: org.openapitools:openapi-generator
  dependency-version: 7.22.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

dhis-2/dhis-test-web-api/pom.xml

@@ -385,7 +385,7 @@
     <dependency>
       <groupId>org.openapitools</groupId>
       <artifactId>openapi-generator</artifactId>
-      <version>7.14.0</version>
+      <version>7.22.0</version>
       <scope>test</scope>
       <exclusions>
         <exclusion>