Refactor installer creation in build workflow

Removed the creation of a standalone micromamba environment and adjusted the installer command accordingly.

Author: chrisburr

.github/workflows/build-and-test.yml

@@ -42,14 +42,12 @@ jobs:
           environment-file: scripts/environment.yml
       - name: Create installer
         run: |
-          CONDA_SUBDIR=${{ matrix.target_arch }} conda create --name constructor-${{ matrix.target_arch }} micromamba
-          CONDA_STANDALONE_PATH="$(conda info --envs | grep constructor-${{ matrix.target_arch }} | sed -E 's@([^ ]+ +)@@g')/bin/micromamba"
           if [ "${{ matrix.target_arch }}" = osx-64 ]; then
               export CONDA_OVERRIDE_OSX=11.0
           elif [ "${{ matrix.target_arch }}" = linux-64 ]; then
               export CONDA_OVERRIDE_GLIBC=2.17
           fi
-          CONDA_SUBDIR=${{ matrix.target_arch }} constructor . --platform="${{ matrix.target_arch }}" --conda-exe="${CONDA_STANDALONE_PATH}"
+          CONDA_SUBDIR=${{ matrix.target_arch }} constructor . --platform="${{ matrix.target_arch }}"
       - name: Upload installer
         uses: actions/upload-artifact@v4
         with: