feat: add poetry support

Signed-off-by: Paul Horton <phorton@sonatype.com>

Author: madpah

.github/workflows/deploy.yml

@@ -17,7 +17,7 @@ jobs:
           fetch-depth: 0
       - uses: actions/setup-python@v2
         with:
-          python-version: 3.7
+          python-version: 3.9
       - name: Install dependencies
         run: |
           python -m pip install poetry --upgrade pip