try empty channels

Author: bollwyvl

.github/workflows/job.lint.yml

@@ -36,6 +36,7 @@ jobs:
         uses: conda-incubator/setup-miniconda@v2
         with:
           python-version: ${{ matrix.python }}
+          channels: []
           channel-priority: true
           activate-environment: jupyterlab-lsp
           environment-file: requirements/github-actions.yml

.github/workflows/job.test.yml

@@ -77,6 +77,7 @@ jobs:
         uses: conda-incubator/setup-miniconda@v2
         with:
           python-version: ${{ matrix.python }}
+          channels: []
           channel-priority: true
           auto-activate-base: true
           activate-environment: jupyterlab-lsp