Update to latest version of the action

Author: arnaudlimbourg

.github/workflows/ci.yml

@@ -11,10 +11,10 @@ jobs:
         python-version: ["3.6", "3.7", "3.8", "3.9"]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
           architecture: x64
@@ -24,4 +24,4 @@ jobs:
 
       - name: Test with pytest
         run: |
-          pytest --cov=transloadit tests
+          pytest --cov=transloadit tests