Bump conda-incubator/setup-miniconda from 3 to 4 (#606)

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
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/cd.yml

@@ -42,7 +42,7 @@ jobs:
         uses: actions/checkout@v6.0.2
 
       - name: Setup conda environment
-        uses: conda-incubator/setup-miniconda@v3
+        uses: conda-incubator/setup-miniconda@v4
         with:
           miniconda-version: "latest"
           python-version: 3.11