[Misc] Use VLLMValidationError consistently in completion and chat completion protocol#35666

umut-polat wants to merge 1 commit intovllm-project:mainvllm-project/vllm:mainfrom

umut-polat:fix/completion-protocol-validation-errorsumut-polat/vllm:fix/completion-protocol-validation-errorsCopy head branch name to clipboard