Bump conda-incubator/setup-miniconda from 2 to 3

Bumps [conda-incubator/setup-miniconda](https://github.com/conda-incubator/setup-miniconda) from 2 to 3.
- [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@v2...v3)

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

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

Author: dependabot[bot]

.github/workflows/test.yml

@@ -120,7 +120,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: Set up Python ${{ matrix.python-version }}
-        uses: conda-incubator/setup-miniconda@v2
+        uses: conda-incubator/setup-miniconda@v3
         with:
           miniforge-variant: Mambaforge
           miniforge-version: latest
@@ -191,7 +191,7 @@ jobs:
           with:
             fetch-depth: 0
         - name: Set up Python 3.9
-          uses: conda-incubator/setup-miniconda@v2
+          uses: conda-incubator/setup-miniconda@v3
           with:
             miniforge-variant: Mambaforge
             miniforge-version: latest