Patch Protobuf for CVE 2026-0994 (#33619)

Signed-off-by: Zachary Aristei <zaristei@nvidia.com>
Co-authored-by: Zachary Aristei <zaristei@nvidia.com>

requirements/build.txt

@@ -9,5 +9,5 @@ wheel
 jinja2>=3.1.6
 regex
 build
-protobuf
+protobuf >= 6.33.5
 grpcio-tools

requirements/common.txt

@@ -9,7 +9,7 @@ blake3
 py-cpuinfo
 transformers >= 4.56.0, < 5
 tokenizers >= 0.21.1  # Required for fast incremental detokenization.
-protobuf # Required by LlamaTokenizer, gRPC.
+protobuf >= 6.33.5 # Required by LlamaTokenizer, gRPC. CVE-2026-0994
 fastapi[standard] >= 0.115.0 # Required by FastAPI's form models in the OpenAI API server's audio transcriptions endpoint.
 aiohttp >= 3.13.3
 openai >= 1.99.1  # For Responses API with reasoning content