Bump mamba-org/setup-micromamba from 1.4.2 to 1.4.3 (#306)

Bumps [mamba-org/setup-micromamba](https://github.com/mamba-org/setup-micromamba) from 1.4.2 to 1.4.3.
- [Release notes](https://github.com/mamba-org/setup-micromamba/releases)
- [Commits](mamba-org/setup-micromamba@v1.4.2...v1.4.3)

---
updated-dependencies:
- dependency-name: mamba-org/setup-micromamba
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

.github/workflows/ci.yaml

@@ -45,7 +45,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - name: Create conda environment
-        uses: mamba-org/setup-micromamba@v1.4.2
+        uses: mamba-org/setup-micromamba@v1.4.3
         with:
           cache-downloads: true
           cache-env: true