[Misc] Add SPDX-FileCopyrightText (#19100)

Signed-off-by: simon-mo <simon.mo@hey.com>

vllm/entrypoints/openai/serving_pooling.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 import asyncio
 import base64

vllm/entrypoints/openai/serving_score.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 import asyncio
 import time
 from collections.abc import AsyncGenerator, Mapping

vllm/entrypoints/openai/serving_tokenization.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 from typing import Final, Optional, Union
 

vllm/entrypoints/openai/serving_transcription.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 import asyncio
 import io
 import time

vllm/entrypoints/openai/tool_parsers/__init__.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 from .abstract_tool_parser import ToolParser, ToolParserManager
 from .deepseekv3_tool_parser import DeepSeekV3ToolParser

vllm/entrypoints/openai/tool_parsers/abstract_tool_parser.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 import os
 from collections.abc import Sequence

vllm/entrypoints/openai/tool_parsers/deepseekv3_tool_parser.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 from collections.abc import Sequence
 from typing import Union

vllm/entrypoints/openai/tool_parsers/granite_20b_fc_tool_parser.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 import json
 from collections.abc import Sequence

vllm/entrypoints/openai/tool_parsers/granite_tool_parser.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 import json
 from collections.abc import Sequence

vllm/entrypoints/openai/tool_parsers/hermes_tool_parser.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 import json
 from collections.abc import Sequence

vllm/entrypoints/openai/tool_parsers/internlm2_tool_parser.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 import json
 from collections.abc import Sequence

vllm/entrypoints/openai/tool_parsers/jamba_tool_parser.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 import json
 from collections.abc import Sequence

vllm/entrypoints/openai/tool_parsers/llama4_pythonic_tool_parser.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 import ast
 import json
 from collections.abc import Sequence

vllm/entrypoints/openai/tool_parsers/llama_tool_parser.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 import json
 from collections.abc import Sequence

vllm/entrypoints/openai/tool_parsers/mistral_tool_parser.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 import json
 from collections.abc import Sequence

vllm/entrypoints/openai/tool_parsers/phi4mini_tool_parser.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 import json
 from collections.abc import Sequence

vllm/entrypoints/openai/tool_parsers/pythonic_tool_parser.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 import ast
 import json

vllm/entrypoints/openai/tool_parsers/utils.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 import json
 from json import JSONDecodeError, JSONDecoder

vllm/entrypoints/score_utils.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 from typing import Union
 
 from torch.nn import CosineSimilarity

vllm/entrypoints/ssl.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 import asyncio
 from ssl import SSLContext