fix broken python actions

Author: DomAmato

.github/workflows/testlint.yml

@@ -13,7 +13,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2.0.2
+      uses: actions/setup-python@v2
       with:
         python-version: ${{ matrix.python-version }}