Bump mamba-org/provision-with-micromamba from 12 to 13 (hainegroup#259)

Bumps [mamba-org/provision-with-micromamba](https://github.com/mamba-org/provision-with-micromamba) from 12 to 13.
- [Release notes](https://github.com/mamba-org/provision-with-micromamba/releases)
- [Commits](mamba-org/provision-with-micromamba@v12...v13)

---
updated-dependencies:
- dependency-name: mamba-org/provision-with-micromamba
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

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

.github/workflows/ci.yaml

@@ -24,7 +24,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Install Conda environment with Micromamba
-        uses: mamba-org/provision-with-micromamba@v12
+        uses: mamba-org/provision-with-micromamba@v13
         with:
           environment-file: ci/environment.yml
           environment-name: oceanspy_test