build(deps): bump org.openapi.generator in /generators/server/resources (#31790)

Bumps org.openapi.generator from 7.17.0 to 7.18.0.

---
updated-dependencies:
- dependency-name: org.openapi.generator
  dependency-version: 7.18.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

generators/server/resources/gradle/libs.versions.toml

@@ -40,6 +40,6 @@ common-custom-user-data-gradle-plugin = { id = 'com.gradle.common-custom-user-da
 
 gatling-gradle = { id = 'io.gatling.gradle', version = '3.14.5' }
 
-gradle-openapi-generator = { id = 'org.openapi.generator', version = '7.17.0' }
+gradle-openapi-generator = { id = 'org.openapi.generator', version = '7.18.0' }
 
 gradle-jib = { id = "com.google.cloud.tools.jib", version = "3.5.2" }