Update testing_pr.yml

Author: ndem0

.github/workflows/testing_pr.yml

@@ -27,8 +27,7 @@ jobs:
     - name: Setup Conda
       uses: conda-incubator/setup-miniconda@v3
       with:
-        auto-update-conda: true
-        channels: conda-forge,defaults
+        channels: conda-forge, defaults
         python-version: ${{ matrix.python-version }}
         activate-environment: occ