DRIVERS-3077 Add supported python in github action (#571)

Author: blink1073

.github/workflows/tests.yml

@@ -18,6 +18,7 @@ jobs:
       matrix:
         os:
           - "ubuntu-latest"
+          - "ubuntu-20.04"
           - "windows-latest"
           - "macos-latest"
         mongodb-version:

action.yml

@@ -35,6 +35,11 @@ outputs:
 runs:
   using: "composite"
   steps:
+    - id: "add-python"
+      name: "Install supported version of python"
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.13'
     - id: "add-pip-path"
       name: "Add PIP install folder to path"
       run: echo "$HOME/.local/bin" >> $GITHUB_PATH