Fix GitHub Actions workflow for release and tagging (#44)

Change log:
 1. Added python setup action before the build and publish action on continuous_delivery.yml.
 2. Updated the setup-python action version on CI and CD configs, to avoid deprecation warning.

.github/workflows/continuous_delivery.yml

@@ -18,7 +18,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
 
@@ -64,6 +64,11 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
+      - name: Set up Python 3.8 # required for poetry
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.8
+
       - name: Build and publish to pypi
         uses: JRubics/[email protected]
         with:

.github/workflows/continuous_integration.yml

@@ -27,7 +27,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install Poetry