Bump version to v0.0.9

Author: b-chu

.github/workflows/pytest-gpu.yaml

@@ -64,7 +64,7 @@ jobs:
       uses: actions/checkout@v3
       with:
         repository: "mosaicml/ci-testing"
-        ref: "v0.0.8"
+        ref: "v0.0.9"
     - name: Setup Python
       uses: actions/setup-python@v4
       with: