ci: changed environment build from miniconda to micromamba (#238)

Author: pabloitu

.github/workflows/publish-pypi.yml

@@ -16,15 +16,15 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - uses: conda-incubator/setup-miniconda@v2
+      - uses: mamba-org/setup-micromamba@v1
         with:
-          activate-environment: csep-dev
-          python-version: '3.10'
-          channels: conda-forge
+          generate-run-shell: true
+          environment-file: requirements.yml
+          create-args: >-
+            python=3.10
 
-      - name: Install dependencies
+      - name: Check dependencies
         run: |
-          conda env update --file requirements.yml
           conda info -a
           conda list