CI: Install libarchive from conda-forge

Author: oyamad

.github/workflows/ci_np2.yml

@@ -23,6 +23,7 @@ jobs:
         echo $CONDA/bin >> $GITHUB_PATH
     - name: Install dependencies
       run: |
+        conda install -c conda-forge libarchive
         conda install -c conda-forge libmamba
         conda install -c numba numba=0.61.0rc1
         conda env update --file environment_np2.yml --name base