Bump org.openapi.generator from 7.17.0 to 7.18.0

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] <[email protected]>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -8,7 +8,7 @@ kover = "0.9.3"
 netty = "4.2.7.Final"
 mavenPublish = "0.35.0"
 binaryCompatibilityValidatorPlugin = "0.18.1"
-openapi-generator = "7.17.0"
+openapi-generator = "7.18.0"
 
 # libraries version
 awaitility = "4.3.0"