Revert "tweak workflows"

This reverts commit 8098447.

Author: yardasol

.github/workflows/cache-dependencies.yml

@@ -35,12 +35,11 @@ jobs:
         uses: conda-incubator/setup-miniconda@v3
         with:
           miniforge-version: latest
-          channels: conda-forge,defaults
           activate-environment: saltproc-env
-          mamba-version: "*"
+          use-mamba: true
           use-only-tar-bz2: true
       - run: |
-          mamba config --env --set pip_interop_enabled True
+          conda config --env --set pip_interop_enabled True
 
 # check for existing cache
       - name: Set cache date
@@ -83,13 +82,12 @@ jobs:
       - name: Set up conda
         uses: conda-incubator/setup-miniconda@v3
         with:
-          activate-environment: saltproc-doc-env
           miniforge-version: latest
-          channels: conda-forge,defaults
-          mamba-version: "*"
+          activate-environment: saltproc-doc-env
+          use-mamba: true
           use-only-tar-bz2: true
       - run: |
-          mamba config --env --set pip_interop_enabled True
+          conda config --env --set pip_interop_enabled True
 
 # check for existing cache
       - name: Set cache date

.github/workflows/test-saltproc.yml

@@ -40,12 +40,12 @@ jobs:
         uses: conda-incubator/setup-miniconda@v3
         with:
           miniforge-version: latest
-          channels: conda-forge,defaults
+          channels: conda-forge
           activate-environment: saltproc-env
-          mamba-version: "*"
+          use-mamba: true
           use-only-tar-bz2: true
       - run: |
-          mamba config --env --set pip_interop_enabled True
+          conda config --env --set pip_interop_enabled True
 
 # check for existing cache
       - name: Set cache date