Fix create version docs action (#4130)

* define version instead of upgrading

* add sleep

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Co-authored-by: Abubakar Abid <abubakar@huggingface.co>

.github/workflows/build-version-docs.yml

@@ -33,8 +33,10 @@ jobs:
         run: python -m pip install -r website/homepage/requirements.txt 
       - name: Pin httpx, httpcore, and h11
         run: pip install h11==0.12.0 httpcore==0.15.0 httpx==0.23.0
+      - name: Wait 5 min
+        run: sleep 300
       - name: Install gradio
-        run: python -m pip install gradio -U
+        run: python -m pip install gradio==$(cat gradio/version.txt)
       - name: Build Docs
         run: cd website/homepage && python build-version-docs.py
       - name: Create Pull Request