Build(deps): Bump mamba-org/setup-micromamba from 1 to 2

Bumps [mamba-org/setup-micromamba](https://github.com/mamba-org/setup-micromamba) from 1 to 2.
- [Release notes](https://github.com/mamba-org/setup-micromamba/releases)
- [Commits](mamba-org/setup-micromamba@v1...v2)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/ci.yml

@@ -48,7 +48,7 @@ jobs:
       with:
         fetch-depth: 0
     - name: Install micromamba environment
-      uses: mamba-org/setup-micromamba@v1
+      uses: mamba-org/setup-micromamba@v2
       with:
           environment-name: radarx-unit-tests
           environment-file: ${{env.CONDA_ENV_FILE}}
@@ -95,7 +95,7 @@ jobs:
       with:
         fetch-depth: 0
     - name: Install micromamba environment
-      uses: mamba-org/setup-micromamba@v1
+      uses: mamba-org/setup-micromamba@v2
       with:
           environment-name: radarx-notebook-tests
           environment-file: ${{env.CONDA_ENV_FILE}}