Bump org.openapi.generator from 7.3.0 to 7.4.0

Bumps org.openapi.generator from 7.3.0 to 7.4.0.

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

Signed-off-by: dependabot[bot] <support@github.com>

build.gradle.kts

@@ -11,7 +11,7 @@ plugins {
   id("io.github.gradle-nexus.publish-plugin") version "1.3.0"
   id("org.jetbrains.kotlin.jvm") version "1.9.23" apply false
   id("com.google.devtools.ksp") version "1.9.22-1.0.18" apply false
-  id("org.openapi.generator") version "7.3.0" apply false
+  id("org.openapi.generator") version "7.4.0" apply false
   id("org.jlleitschuh.gradle.ktlint") version "12.1.0" apply false
 }