add the new bootstrap method for class inheriting RuntimeDelegate

jaxrs-tck/src/main/java/jakarta/ws/rs/tck/common/provider/StringBeanRuntimeDelegate.java

diff --git a/jaxrs-tck/src/main/java/jakarta/ws/rs/tck/common/provider/StringBeanRuntimeDelegate.java b/jaxrs-tck/src/main/java/jakarta/ws/rs/tck/common/provider/StringBeanRuntimeDelegate.java
index 309d8cb..bcfe668 100644
--- a/jaxrs-tck/src/main/java/jakarta/ws/rs/tck/common/provider/StringBeanRuntimeDelegate.java
+++ b/jaxrs-tck/src/main/java/jakarta/ws/rs/tck/common/provider/StringBeanRuntimeDelegate.java
@@ -81,6 +81,11 @@
   }
 
   @Override
+  public CompletionStage<Instance> bootstrap(Class<? extends Application> clazz, SeBootstrap.Configuration configuration){
+    return original.bootstrap(clazz, configuration);
+  }
+
+  @Override
   public SeBootstrap.Configuration.Builder createConfigurationBuilder() {
     return original.createConfigurationBuilder();
   }