Changes status to experimental

Author: spacether

src/main/java/org/openapijsonschematools/codegen/generators/KotlinClientGenerator.java

@@ -318,7 +318,7 @@ public KotlinClientGenerator(GeneratorSettings generatorSettings, WorkflowSettin
         .language(GeneratorLanguage.KOTLIN)
         .languageVersion("17")
         .type(GeneratorType.CLIENT)
-        .stability(Stability.STABLE)
+        .stability(Stability.EXPERIMENTAL)
         .featureSet(featureSet)
         .generationMessage(String.format(Locale.ROOT, "OpenAPI JSON Schema Generator: %s (%s)", "kotlin", GeneratorType.CLIENT))
         .helpMsg(String.join(