Bump conda-incubator/setup-miniconda from 3 to 4

Bumps [conda-incubator/setup-miniconda](https://github.com/conda-incubator/setup-miniconda) from 3 to 4.
- [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...v4)

---
updated-dependencies:
- dependency-name: conda-incubator/setup-miniconda
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/conda.yml

@@ -37,7 +37,7 @@ jobs:
       run: |
         find /opt/hostedtoolcache/* -maxdepth 0 ! -name 'Python' -exec rm -rf {} \;
         rm -rf /usr/share/dotnet/
-    - uses: conda-incubator/setup-miniconda@v3
+    - uses: conda-incubator/setup-miniconda@v4
       with:
         auto-update-conda: true
         python-version: ${{ matrix.python-version }}