Add opendbt code and tests

.github/workflows/tests.yml

@@ -24,16 +24,19 @@ jobs:
     strategy:
       matrix:
         python-version: [ "3.8", "3.9", "3.10", "3.11" ]
+        dbt-version: [ "1.6", "1.7", "1.8" ]
 
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
+          dbt-version: ${{ matrix.dbt-version }}
       - name: Build & Install
         run: |
           python --version
+          pip install dbt-core~=${{ matrix.dbt-version }}
           python setup.py install
           python -m pip install coverage pylint
           python -m compileall -f opendbt setup.py