chore: use updated gh action

.github/workflows/publish-conda.yml

@@ -20,18 +20,8 @@ jobs:
         with:
           token: ${{ secrets.GIT_TOKEN }}
 
-      # Use older python version when running publish_conda_package_action until https://github.com/amauryval/publish_conda_package_action/issues/4 is resolved.
-      - name: Set up Python 3.8
-        uses: actions/setup-python@v2
-        with:
-          python-version: 3.8
-
-      - name: Activate conda venv
-        run: conda activate conda-env
-
       - name: Publish to Conda
-        uses: marek-mihok/[email protected]
-        # Override dockerfile to use python 3.8
+        uses: marek-mihok/[email protected]
         with:
           CondaDir: 'py/h2o_wave/conda'
           Platforms: 'noarch'