Attempt #3 to build .net dlls on build boxes.

.github/workflows/ci_cd.yml

@@ -16,6 +16,17 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+      - uses: actions/checkout@v2
+      - name: Setup Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.8
+
+      - name: Install library
+        run: |
+          pip install poetry
+          poetry install
+
       - name: Run dotnet build
         run: |
           cd PythonLogging