Regenerate Java codegen output

Auto-committed by java-codegen-check workflow.

Author: github-actions[bot]

java/src/generated/java/com/github/copilot/generated/UserInputRequestedEvent.java

@@ -39,8 +39,6 @@ public record UserInputRequestedEventData(
         @JsonProperty("requestId") String requestId,
         /** The question or prompt to present to the user */
         @JsonProperty("question") String question,
-        /** Optional short title summarizing the question (a few words), suitable for display as the dialog header/title */
-        @JsonProperty("header") String header,
         /** Predefined choices for the user to select from, if applicable */
         @JsonProperty("choices") List<String> choices,
         /** Whether the user can provide a free-form text response in addition to predefined choices */