Pin torch to 2.4.1

.github/workflows/test_models.yml

@@ -57,7 +57,7 @@ jobs:
           # Note: We install in three steps in order to satisfy requirements
           # from non default locations first. Installing the PyTorch CPU
           # wheels saves multiple minutes and a lot of bandwidth on runner setup.
-          pip install --pre torch==2.5.0.dev20240801+cpu torchvision==0.20.0.dev20240801+cpu --index-url https://download.pytorch.org/whl/nightly/cpu
+          pip install --pre torch==2.4.1+cpu torchvision --index-url https://download.pytorch.org/whl/cpu
           pip install --pre --upgrade -r ${{ github.workspace }}/iree-turbine/requirements.txt
           pip install --no-compile --pre -e ${{ github.workspace }}/iree-turbine[testing]
           pip install --upgrade --pre --no-cache-dir iree-compiler iree-runtime -f https://iree.dev/pip-release-links.html