chore: import upstream snapshot with attribution

vllm/entrypoints/speech_to_text/base/protocol.py

@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+
+
+from typing import Literal, TypeAlias
+
+import torch
+
+## Protocols for Audio
+AudioResponseFormat: TypeAlias = Literal["json", "text", "srt", "verbose_json", "vtt"]
+_LONG_INFO = torch.iinfo(torch.long)