using defaults channel for canary channel build

.github/workflows/tests.yml

@@ -99,7 +99,7 @@ jobs:
           clean: true
           fetch-depth: 0
 
-      # TODO: If this is ever promoted to conda, we need to upload to "conda-canary" organization instead
+      # TODO: If this is ever promoted to conda, we should upload to "conda-canary" organization instead
       - name: Create and upload canary build
         uses: conda/actions/canary-release@v23.3.0
         with:
@@ -108,4 +108,4 @@ jobs:
           anaconda-org-channel: thath
           anaconda-org-label: ${{ github.ref_name == 'main' && 'dev' || format('{0}-{1}', github.event.repository.name, github.ref_name) }}
           anaconda-org-token: ${{ secrets.ANACONDA_ORG_TOKEN }}
-          conda-build-arguments: '--override-channels -c conda-forge -c defaults'
+          conda-build-arguments: '--override-channels -c defaults'