💚 drop python 3.6 support

Author: Wytamma

.github/workflows/test.yml

@@ -35,7 +35,7 @@ jobs:
       fail-fast: true
       matrix:
         os: [ "ubuntu-latest", "macos-latest" ]
-        python-version: [ "3.6", "3.7", "3.8", "3.9" ]
+        python-version: [ "3.7", "3.8", "3.9" ]
     runs-on: ${{ matrix.os }}
     steps:
       #----------------------------------------------