CI: switch to micromamba, update xeus

Author: certik

.github/workflows/CI.yml

@@ -26,38 +26,36 @@ jobs:
         with:
           fetch-depth: 0
 
-      - name: Cache conda
-        uses: actions/cache@v3
-        env:
-          CACHE_NUMBER: 0
-        with:
-          path: ~/conda_pkgs_dir
-          key:
-            ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-${{ hashFiles('ci/environment.yml') }}
-
-      - uses: conda-incubator/setup-miniconda@v2
+#      - name: Cache conda
+#        uses: actions/cache@v3
+#        env:
+#          CACHE_NUMBER: 0
+#        with:
+#          path: ~/conda_pkgs_dir
+#          key:
+#            ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-${{ hashFiles('ci/environment.yml') }}
+
+      - uses: mamba-org/setup-micromamba@v1.8.0
         with:
-          miniconda-version: "latest"
-          auto-update-conda: true
           environment-file: ci/environment.yml
-          python-version: ${{ matrix.python-version }}
-          use-only-tar-bz2: true
+          create-args: >-
+            python=${{ matrix.python-version }}
 
       - name: Install Windows Conda Packages
         if: contains(matrix.os, 'windows')
         shell: bash -e -l {0}
-        run: conda install m2-bison=3.0.4 cmake=3.21.1
+        run: micromamba install m2-bison=3.0.4 m2-filesystem cmake=3.21.1
 
       - name: Install Linux / macOS Conda Packages
         if: contains(matrix.os, 'ubuntu') || contains(matrix.os, 'macos')
         shell: bash -e -l {0}
-        run: conda install bison=3.4 nodejs=18
+        run: micromamba install bison=3.4 nodejs=18
 
-      - name: Conda info
-        shell: bash -e -l {0}
-        run: |
-            conda info
-            conda list
+#      - name: Conda info
+#        shell: bash -e -l {0}
+#        run: |
+#            conda info
+#            conda list
 
       - name: Setup Platform (Linux)
         if: contains(matrix.os, 'ubuntu')
@@ -87,9 +85,9 @@ jobs:
         if: contains(matrix.os, 'windows')
         shell: cmd
         run: |
-            set CONDA_INSTALL_LOCN=C:\\Miniconda3
-            call %CONDA_INSTALL_LOCN%\Scripts\activate.bat
-            call conda activate test
+            set MAMBA_INSTALL_LOCN=C:\\Users\runneradmin\micromamba
+            call %MAMBA_INSTALL_LOCN%\Scripts\activate.bat
+            call micromamba activate test
             set LFORTRAN_CMAKE_GENERATOR=Ninja
             set WIN=1
             set MACOS=0

ci/environment.yml

@@ -7,7 +7,8 @@ dependencies:
   - toml
   - pytest
   - jupyter
-  - xeus=1.0.1
+  - xeus=5.1.0
+  - xeus-zmq=3.0.0
   - xtl
   - nlohmann_json
   - cppzmq