Removes Python 3.6 from build

Author: SaptakS

.github/workflows/build.yml

@@ -262,9 +262,6 @@ jobs:
           - "3.9"
           - "3.10"
           # - "3.11"
-        include:
-          - os: ubuntu-20.04
-            python-version: "3.6"
     steps:
       - uses: actions/checkout@v3
       - id: setup-python