fix: switch conda solver to libmamba

Author: rabii-chaarani

.github/workflows/release-please.yml

@@ -86,10 +86,9 @@ jobs:
           ANACONDA_API_TOKEN: ${{ secrets.ANACONDA_TOKEN  }}
         shell: bash -l {0}
         run: |
-          conda config --set channel_priority strict
-          conda config --set solver classic
-          conda install -c conda-forge -c defaults conda-build pytest numpy scipy pandas geopandas sqlite shapely validators anaconda-client -y
-          conda build -c defaults -c conda-forge --output-folder conda conda 
+          conda config --set solver libmamba
+          conda install -c conda-forge conda-build pytest numpy scipy pandas geopandas sqlite shapely validators anaconda-client conda-libmamba-solver -y
+          conda build -c anaconda -c conda-forge --output-folder conda conda 
 
       - name: upload artifacts
         uses: actions/upload-artifact@v4