Upgrade pytorch version to 3.9 (pytorch#488)

* push

* Upgrade to python 3.11

* push

* push

* push

* Update README.md

* Update regression_test.yml

.github/workflows/regression_test.yml

@@ -59,7 +59,7 @@ jobs:
       gpu-arch-type: ${{ matrix.gpu-arch-type }}
       gpu-arch-version: ${{ matrix.gpu-arch-version }}
       script: |
-        conda create -n venv python=3.8 -y
+        conda create -n venv python=3.9 -y
         conda activate venv
         echo "::group::Install newer objcopy that supports --set-section-alignment"
         yum install -y  devtoolset-10-binutils

README.md

@@ -113,6 +113,8 @@ A key design principle for us is composability as in any new dtype or layout we
 
 `torchao` makes liberal use of several new features in Pytorch, it's recommended to use it with the current nightly or latest stable version of PyTorch.
 
+Our minimum supported Python version is 3.9 since 3.8 has reached end of life
+
 #### Install torch
 
 Install torch stable