Switch to setup-micromamba

Author: jonashaag

.github/actions/setup-conda/action.yml

@@ -13,13 +13,11 @@ runs:
   using: composite
   steps:
     - name: Install ${{ inputs.environment-file }}
-      uses: mamba-org/provision-with-micromamba@v15
+      uses: mamba-org/setup-micromamba@v1
       with:
         environment-file: ${{ inputs.environment-file }}
         environment-name: ${{ inputs.environment-name }}
-        extra-specs: ${{ inputs.extra-specs }}
-        channels: conda-forge
-        channel-priority: 'strict'
+        create-args: ${{ inputs.extra-specs }}
         condarc-file: ci/condarc.yml
         cache-env: true
         cache-downloads: true