Update CI process to follow liboyvinyl master branch

.github/workflows/main.yaml

@@ -17,7 +17,7 @@ jobs:
       - name: Install production dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install git+https://github.com/PaNOSC-ViNYL/libpyvinyl.git@remove_pint_pin
+          pip install git+https://github.com/PaNOSC-ViNYL/libpyvinyl.git
           pip install -r requirements.txt
           pip install pytest
           pip install .