Update build workflow

- Replace mamba with miniforge and conda
- Add Python 3.12 to testing matrix
- Update `CANCEL_OTHERS` to `false` to test each Python version individually for potential Python-specific issues
- Update `setup-miniconda` to v3

.github/workflows/build_workflow.yml

@@ -10,7 +10,7 @@ on:
     workflow_dispatch:
 
 env:
-    CANCEL_OTHERS: true
+    CANCEL_OTHERS: False
     PATHS_IGNORE: '["**/README.rst", "**/AUTHORS.rst", "**/CODE_OF_CONDUCT.rst", "**/HISTORY.rst", "**/CONTRIBUTING.rst", "**/docs/**", "**/ISSUE_TEMPLATE/**", "**/pull_request_template.md", "**/.vscode/**"]'
 
 jobs:
@@ -31,7 +31,7 @@ jobs:
         needs: skip-duplicate-actions
         if: needs.skip-duplicate-actions.outputs.should_skip != 'true'
         runs-on: ubuntu-latest
-        timeout-minutes: 3
+        timeout-minutes: 5
         steps:
             - name: Checkout Code Repository
               uses: actions/checkout@v3
@@ -55,18 +55,16 @@ jobs:
                 shell: bash -l {0}
         strategy:
             matrix:
-                python-version: ["3.9", "3.10", "3.11"]
+                python-version: ["3.9", "3.10", "3.11", "3.12"]
         steps:
             - uses: actions/checkout@v3
 
             - name: Set up Conda Environment
-              uses: conda-incubator/setup-miniconda@v2
+              uses: conda-incubator/setup-miniconda@v3
               with:
-                  miniforge-variant: Mambaforge
+                  miniforge-variant: Miniforge3
                   miniforge-version: latest
                   activate-environment: "xcdat_ci"
-                  use-mamba: true
-                  mamba-version: "*"
                   channel-priority: strict
                   auto-update-conda: true
                   python-version: ${{ matrix.python-version }}
@@ -93,10 +91,10 @@ jobs:
             - if: steps.cache.outputs.cache-hit != 'true'
               name: Update environment
               run: |
-                  mamba env update -n xcdat_ci -f conda-env/ci.yml
+                  conda env update -n xcdat_ci -f conda-env/ci.yml
                   # Make sure the Python version in the env matches the current matrix version.
                   # Make sure numpy is not > 2.0.
-                  mamba install -c conda-forge python=${{ matrix.python-version }} "numpy>=1.23.0,<2.0"
+                  conda install -c conda-forge python=${{ matrix.python-version }} "numpy>=1.23.0,<2.0"
 
             - name: Install xcdat
               # Source: https://github.com/conda/conda-build/issues/4251#issuecomment-1053460542