turn verbosity down

.github/workflows/windows_ci.yml

@@ -36,7 +36,7 @@ jobs:
         C:\Miniconda\condabin\conda.bat init powershell
     - name: Install scientific python requirements
       run: |
-        conda create -y -vv --name test python=${{matrix.python-version}} pip pandas=0.22.0 numpy=1.19.1 scipy=1.5.0 cython=0.29.21
+        conda create -y --name test python=${{matrix.python-version}} pip pandas=0.22.0 numpy=1.19.1 scipy=1.5.0 cython=0.29.21
     - uses: ilammy/msvc-dev-cmd@v1
     - name: Install TA lib
       run: |