chore: update miniconda version to latest stable

Author: LacombeLouis

.github/workflows/test.yml

@@ -48,6 +48,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
           environment-file: environment.ci.yml
           channels: defaults, conda-forge
+          miniconda-version: "latest"
       - name: Install numpy
         run: conda install numpy=${{ matrix.numpy-version }}
       - name: Check linting