Merge pull request #1260 from kubernetes-client/dependabot/github_actions/actions/setup-python-v2.1.2

Bump actions/setup-python from v1 to v2.1.2

Author: k8s-ci-robot

.github/workflows/test.yaml

@@ -15,7 +15,7 @@ jobs:
       with:
         submodules: true
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v2.1.2
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies