change python version tests

Author: sarahmish

.github/workflows/docs.yml

@@ -14,7 +14,7 @@ jobs:
     - name: Python
       uses: actions/setup-python@v1
       with:
-        python-version: '3.8'
+        python-version: '3.9'
 
     - name: Build
       run: |

.github/workflows/tests.yml

@@ -17,7 +17,7 @@ jobs:
     - name: Set up Python 3.9
       uses: actions/setup-python@v5
       with:
-        python-version: 3.9
+        python-version: '3.9'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
@@ -33,7 +33,7 @@ jobs:
     - name: Set up Python 3.9
       uses: actions/setup-python@v5
       with:
-        python-version: 3.9
+        python-version: '3.9'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip