fixing deploy workflow

Author: paudetseis

.github/workflows/deploy.yml

@@ -26,7 +26,10 @@ jobs:
 
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with: 
+          python-version: matrix.python-version
       - uses: conda-incubator/setup-miniconda@v2
         with:
           activate-environment: test