Bump mamba-org/setup-micromamba from 1.8.0 to 1.8.1

Bumps [mamba-org/setup-micromamba](https://github.com/mamba-org/setup-micromamba) from 1.8.0 to 1.8.1.
- [Release notes](https://github.com/mamba-org/setup-micromamba/releases)
- [Commits](mamba-org/setup-micromamba@v1.8.0...v1.8.1)

---
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>

.github/workflows/main.yml

@@ -64,7 +64,7 @@ jobs:
           egress-policy: audit
       - uses: actions/checkout@v4.1.1
       - name: Setup Conda (Micromamba) with Python${{ matrix.python-version }}
-        uses: mamba-org/setup-micromamba@v1.8.0
+        uses: mamba-org/setup-micromamba@v1.8.1
         with:
           cache-downloads: true
           environment-file: environment-dev.yml