Use actual base environment path

Author: oleksandr-pavlyk

.github/workflows/conda-package.yml

@@ -111,7 +111,7 @@ jobs:
       - name: Store conda paths as envs
         shell: bash -l {0}
         run: |
-          echo "CONDA_BLD=$CONDA_PREFIX/conda-bld/win-64/" | tr "\\\\" '/' >> $GITHUB_ENV
+          echo "CONDA_BLD=$CONDA/conda-bld/win-64/" | tr "\\\\" '/' >> $GITHUB_ENV
           echo "WHEELS_OUTPUT_FOLDER=$GITHUB_WORKSPACE${{ runner.os == 'Linux' && '/' || '\\' }}" >> $GITHUB_ENV
 
       - name: Build conda package