Update actions/setup-python action to v4 (#150)

* Update actions/setup-python action to v4

* add quotes

Co-authored-by: Renovate Bot <[email protected]>
Co-authored-by: Christian Adell <[email protected]>

Author: 3 people

.github/workflows/ci.yml

@@ -127,7 +127,7 @@ jobs:
       - name: "Check out repository code"
         uses: "actions/checkout@v3"
       - name: "Set up Python"
-        uses: "actions/setup-python@v2"
+        uses: "actions/setup-python@v4"
         with:
           python-version: "3.9"
       - name: "Install Python Packages"
@@ -154,7 +154,7 @@ jobs:
       - name: "Check out repository code"
         uses: "actions/checkout@v3"
       - name: "Set up Python"
-        uses: "actions/setup-python@v2"
+        uses: "actions/setup-python@v4"
         with:
           python-version: "3.9"
       - name: "Install Python Packages"