chore(deps): update actions/setup-python action to v4

Author: renovate[bot]

.github/workflows/python-ci.yml

@@ -17,7 +17,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Setting up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
     - name: Installing dependencies

.github/workflows/sonarcloud.yml

@@ -15,7 +15,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Setting up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
     - name: Installing dependencies