Update build-python-packages.yml with 7-zip

.github/workflows/build-python-packages.yml

@@ -104,6 +104,16 @@ jobs:
         with:
           submodules: true
 
+      - name: Install 7-Zip
+        shell: cmd
+        run: |
+          choco install 7zip -y
+
+      - name: Add 7-Zip to PATH
+        shell: powershell
+        run: |
+          echo "C:\ProgramData\chocolatey\bin" | Out-File -Append -FilePath $env:GITHUB_PATH -Encoding utf8
+
       - name: Build Python ${{ env.VERSION }}
         run: |
           ./builders/build-python.ps1 -Version $env:VERSION `