ci: revert testing workflow to use conda

Author: lachlangrose

.github/workflows/tester.yml

@@ -7,48 +7,38 @@ on:
     paths:
       - '**.py'
       - .github/workflows/tester.yml
+
   pull_request:
     branches:
       - master
     paths:
       - '**.py'
       - .github/workflows/tester.yml
   workflow_dispatch:
-
 jobs:
   continuous-integration:
     name: Continuous integration ${{ matrix.os }} python ${{ matrix.python-version }}
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
-        os: ${{ fromJSON(vars.BUILD_OS) }}
-        python-version: ${{ fromJSON(vars.PYTHON_VERSIONS) }}
-        
+        os: ${{ fromJSON(vars.BUILD_OS)}}
+        python-version: ${{ fromJSON(vars.PYTHON_VERSIONS)}}
     steps:
       - uses: actions/checkout@v4
+      - uses: conda-incubator/setup-miniconda@v3
 
-      - name: Set up uv
-        uses: astral-sh/setup-uv@v3
         with:
-          version: "latest"
-
-      - name: Set up Python ${{ matrix.matrix.python-version }}
-        run: uv python install ${{ matrix.python-version }}
-
-      - name: Install dependencies and library
+          python-version: ${{ matrix.python }}
+      - name: Installing dependencies
+        shell: bash -l {0}
         run: |
-          uv add \
-            numpy \
-            scipy \
-            scikit-image \
-            scikit-learn \
-            pytest \
-            networkx \
-            osqp \
-            matplotlib \
-            -e .[tests]
-
+          conda install -c conda-forge numpy scipy scikit-image scikit-learn pyvista pandas pytest networkx osqp matplotlib -y
+      - name: Building and install
+        shell: bash -l {0}
+        run: |
+          pip install . --user
       - name: pytest
+        shell: bash -l {0}
         run: |
           pytest