[FIX] Update actions python version

.github/workflows/build-and-test.yaml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        python-version: [3.6, 3.7, 3.8, 3.9, 3.10, 3.11]
+        python-version: [3.7, 3.8, 3.9, 3.10, 3.11]
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python