Fix huggingface-cli not found in CI

pip-installed scripts may not be on PATH in ubuntu-latest runners.
Use `python -m huggingface_hub.cli` instead of `huggingface-cli`.

Signed-off-by: Michael Yuan <michael@secondstate.io>
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: juntao

.github/workflows/integration-test.yml

@@ -54,7 +54,7 @@ jobs:
           HF_TOKEN: ${{ secrets.HF_TOKEN }}
         run: |
           pip install --quiet huggingface_hub sentencepiece
-          huggingface-cli download CohereLabs/cohere-transcribe-03-2026 \
+          python -m huggingface_hub.cli download CohereLabs/cohere-transcribe-03-2026 \
             --local-dir "$MODEL_DIR" \
             --token "$HF_TOKEN"
           python tools/extract_vocab.py --model_dir "$MODEL_DIR"

.github/workflows/release.yml

@@ -31,7 +31,7 @@ jobs:
           HF_TOKEN: ${{ secrets.HF_TOKEN }}
         run: |
           pip install -q huggingface_hub sentencepiece
-          huggingface-cli download CohereLabs/cohere-transcribe-03-2026 \
+          python -m huggingface_hub.cli download CohereLabs/cohere-transcribe-03-2026 \
             --include "tokenizer.model" \
             --local-dir models/cohere-transcribe-03-2026 \
             --token "$HF_TOKEN"