Update doc.yml for python 3.10

Author: servoz

.github/workflows/doc.yml

@@ -24,7 +24,7 @@ jobs:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
         # Run in all these versions of Python
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.10", "3.11"]
 
     steps:
       - uses: actions/checkout@v3
@@ -58,10 +58,10 @@ jobs:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - uses: actions/checkout@v3
 
-      - name: "Set up Python 3.9"
+      - name: "Set up Python 3.10"
         uses: actions/setup-python@v4
         with:
-          python-version: "3.9"
+          python-version: "3.10"
       - name: "Install Python dependencies"
         run: |
           pip3 install setuptools