ded a step to install mandatory Python packages as part of the publishing process.

.github/workflows/publish.yml

@@ -27,6 +27,11 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Install mandatory Python packages
+        run: |
+          python -m pip install --upgrade pip
+          pip install requests
+
       - name: Verify if all releases exist
         run: |
           python tools/release/check_releases.py dist ${{ github.event.inputs.version }}