remove Python 3.7 tests, add Python 3.11 tests

Author: betaBison

.github/workflows/build.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ["3.7.1", "3.8", "3.10"]
+        python-version: ["3.8", "3.11"]
         os: [ubuntu-latest, macos-latest, windows-latest]
       fail-fast : false
     defaults: