Bump conda-incubator/setup-miniconda in /.github/workflows

Bumps [conda-incubator/setup-miniconda](https://github.com/conda-incubator/setup-miniconda) from 3.0.4 to 3.1.0.
- [Release notes](https://github.com/conda-incubator/setup-miniconda/releases)
- [Changelog](https://github.com/conda-incubator/setup-miniconda/blob/main/CHANGELOG.md)
- [Commits](conda-incubator/setup-miniconda@v3.0.4...v3.1.0)

---
updated-dependencies:
- dependency-name: conda-incubator/setup-miniconda
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/test.yml

@@ -72,7 +72,7 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v4
 
-    - uses: conda-incubator/setup-miniconda@v3.0.4
+    - uses: conda-incubator/setup-miniconda@v3.1.0
       if: matrix.build == 'cando'
 
     - name: Install AmberTools