Updated CI tests

Author: davenquinn

.github/workflows/continuous-integration.yml

@@ -14,9 +14,7 @@ jobs:
       - uses: actions/setup-python@v4
         with:
           python-version: '3.11'
-
-      - name: Install Poetry
-        run: curl -sSL https://install.python-poetry.org | python3 -
+          cache: 'poetry'
 
       - name: Install dependencies
         run: poetry install