ci: bump conda-incubator/setup-miniconda from 2.2.0 to 3.0.4

Author: Michael-J-Ward

.github/workflows/conda.yml

@@ -68,7 +68,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: Set up Python
-        uses: conda-incubator/setup-miniconda@v2.2.0
+        uses: conda-incubator/setup-miniconda@v3.0.4
         with:
           miniforge-variant: Mambaforge
           use-mamba: true