set the library path for the venv's Python to find the DLL

Author: guycipher

.github/workflows/build_and_test_tidesdb.yml

@@ -176,9 +176,10 @@ jobs:
         shell: msys2 {0}
         run: |
           export PATH="/mingw64/bin:$PATH"
+          export LD_LIBRARY_PATH="/mingw64/lib:$LD_LIBRARY_PATH"
           cd tidesdb-python
           python -m venv venv
           source venv/bin/activate
           pip install pytest pytest-cov
           pip install -e .
-          pytest -v
+          pytest -v --no-cov