ci(tests): Remove python 2.7

Author: tony

.github/workflows/tests.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["2.7", "3.x"]
+        python-version: [ '3.x' ]
     steps:
       - uses: actions/checkout@v1
       - name: Configure git