chore: use gh cache for huggingface models (#1096)

* use gh cache for huggingface models

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* increase hf timeout

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* more timeout

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

* use different cache key in each job

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

---------

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

.github/workflows/checks.yml

@@ -1,6 +1,10 @@
 on:
   workflow_call:
 
+env:
+  HF_HUB_DOWNLOAD_TIMEOUT: "60"
+  HF_HUB_ETAG_TIMEOUT: "60"
+
 jobs:
   run-checks:
     runs-on: ubuntu-latest
@@ -14,6 +18,11 @@ jobs:
       - name: Set TESSDATA_PREFIX
         run: |
           echo "TESSDATA_PREFIX=$(dpkg -L tesseract-ocr-eng | grep tessdata$)" >> "$GITHUB_ENV"
+      - name: Cache Hugging Face models
+        uses: actions/cache@v4
+        with:
+          path: ~/.cache/huggingface
+          key: huggingface-cache-py${{ matrix.python-version }}
       - uses: ./.github/actions/setup-poetry
         with:
           python-version: ${{ matrix.python-version }}