Upgrade smallrye-open-api to 2.1.15

Caused by: java.lang.NoSuchMethodError: 'java.util.List org.jboss.jandex.ClassInfo.unsortedFields()'
        at io.smallrye.openapi@2.1.14//io.smallrye.openapi.runtime.scanner.dataobject.TypeResolver.fields(TypeResolver.java:511)
        at io.smallrye.openapi@2.1.14//io.smallrye.openapi.runtime.scanner.dataobject.TypeResolver.getAllFields(TypeResolver.java:475)
        at io.smallrye.openapi@2.1.14//io.smallrye.openapi.runtime.scanner.OpenApiDataObjectScanner.depthFirstGraphSearch(OpenApiDataObjectScanner.java:250)
        at io.smallrye.openapi@2.1.14//io.smallrye.openapi.runtime.scanner.OpenApiDataObjectScanner.process(OpenApiDataObjectScanner.java:211)
        at io.smallrye.openapi@2.1.14//io.smallrye.openapi.runtime.scanner.OpenApiDataObjectScanner.process(OpenApiDataObjectScanner.java:157)
        at io.smallrye.openapi@2.1.14//io.smallrye.openapi.runtime.io.schema.SchemaFactory.introspectClassToSchema(SchemaFactory.java:503)
        at io.smallrye.openapi@2.1.14//io.smallrye.openapi.runtime.io.schema.SchemaFactory.typeToSchema(SchemaFactory.java:428)
        at io.smallrye.openapi@2.1.14//io.smallrye.openapi.runtime.scanner.OpenApiAnnotationScanner.lambda$processClassSchemas$3(OpenApiAnnotationScanner.java:208)
        at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
        at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
        at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)
        at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1655)
        at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
        at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
        at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
        at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
        at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
        at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497)
        at io.smallrye.openapi@2.1.14//io.smallrye.openapi.runtime.scanner.OpenApiAnnotationScanner.processClassSchemas(OpenApiAnnotationScanner.java:208)
        at io.smallrye.openapi@2.1.14//io.smallrye.openapi.runtime.scanner.OpenApiAnnotationScanner.scanMicroProfileOpenApiAnnotations(OpenApiAnnotationScanner.java:153)
        at io.smallrye.openapi@2.1.14//io.smallrye.openapi.runtime.scanner.OpenApiAnnotationScanner.scan(OpenApiAnnotationScanner.java:118)
        at io.smallrye.openapi@2.1.14//io.smallrye.openapi.runtime.OpenApiProcessor.modelFromAnnotations(OpenApiProcessor.java:136)
        at org.wildfly.extension.microprofile.openapi-smallrye@25.0.0.Beta1-SNAPSHOT//org.wildfly.extension.microprofile.openapi.deployment.OpenAPIModelServiceConfigurator.get(OpenAPIModelServiceConfigurator.java:184)
        at org.wildfly.extension.microprofile.openapi-smallrye@25.0.0.Beta1-SNAPSHOT//org.wildfly.extension.microprofile.openapi.deployment.OpenAPIModelServiceConfigurator.get(OpenAPIModelServiceConfigurator.java:96)
        at org.wildfly.clustering.service@25.0.0.Beta1-SNAPSHOT//org.wildfly.clustering.service.FunctionalService.start(FunctionalService.java:63)
        ... 8 more