Bump conda-incubator/setup-miniconda from 3.0.4 to 3.1.0

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>

.github/workflows/build.yml

@@ -29,7 +29,7 @@ jobs:
           key: tectonic-${{ runner.os }}
 
       - name: Setup Miniconda
-        uses: conda-incubator/setup-miniconda@v3.0.4
+        uses: conda-incubator/setup-miniconda@v3.1.0
         with:
           environment-file: environment.yml
           activate-environment: cv