Fix ci. (#119)

* Fix ci.

* provision-with-micromamba is deprecated.

* env.yaml.

.github/workflows/ci.yaml

@@ -18,10 +18,12 @@ jobs:
         shell: bash -l {0}
     steps:
       - uses: actions/checkout@v3
-      - name: Set up Conda env
-        uses: mamba-org/provision-with-micromamba@e2b397b12d0a38069451664382b769c9456e3d6d
+      - name: Set up micromamba
+        uses: mamba-org/setup-micromamba@d05808540d968a55ca33c798e0661fb98f533c73
         with:
+          micromamba-version: 1.5.10-0
           cache-env: true
+          environment-file: environment.yml
           extra-specs: |
             python=${{ matrix.PYTHON_VERSION }}
       - name: Install repository
@@ -47,6 +49,8 @@ jobs:
         uses: actions/[email protected]
       - name: Set up micromamba
         uses: mamba-org/setup-micromamba@d05808540d968a55ca33c798e0661fb98f533c73
+        with:
+          micromamba-version: 1.5.10-0
       - name: Add micromamba to GITHUB_PATH
         run: echo "${HOME}/micromamba-bin" >> "$GITHUB_PATH"
       - name: Install Python 3.12