Update plugin smallrye-openapi to v3.12.0 (#9344)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

gradle/libs.versions.toml

@@ -168,5 +168,5 @@ nessie-run = { id = "org.projectnessie", version = "0.32.2" }
 nexus-publish-plugin = { id = "io.github.gradle-nexus.publish-plugin", version = "2.0.0" }
 protobuf = { id = "com.google.protobuf", version = "0.9.4" }
 quarkus = { id = "io.quarkus", version.ref = "quarkusPlugin" }
-smallrye-openapi = { id = "io.smallrye.openapi", version = "3.11.0" }
+smallrye-openapi = { id = "io.smallrye.openapi", version = "3.12.0" }
 jetbrains-changelog = { id = "org.jetbrains.changelog",  version = "2.2.1"}