Build: Remove Py3.7 which is EOL.

Author: scoder

.github/workflows/ci.yml

@@ -127,7 +127,6 @@ jobs:
         os: [macos-latest, windows-latest]
         python-version:
           - "2.7"
-          - "3.7"
           - "3.8"
           - "3.9"
           - "3.10"