use dedicated build envs in conda-package workflows

Author: ndgrigorian

.github/workflows/conda-package-cf.yml

@@ -104,8 +104,7 @@ jobs:
       - uses: conda-incubator/setup-miniconda@fc2d68f6413eb2d87b895e92f8584b5b94a10167 # v3.3.0
         with:
           miniforge-version: latest
-          auto-activate: true
-          activate-environment: base
+          activate-environment: build
           channels: conda-forge
           python-version: ${{ matrix.python }}
 
@@ -121,15 +120,17 @@ jobs:
             ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-python-${{ matrix.python }}-
             ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-
 
-      - name: Install conda-build
-        run: conda install conda-build
-
       - name: Store conda paths as envs
         shell: bash -el {0}
         run: |
-          echo "CONDA_BLD=$CONDA_PREFIX\\conda-bld\\win-64\\" >> "$GITHUB_ENV"
+          echo "CONDA_BLD=$CONDA\\conda-bld\\win-64\\" >> "$GITHUB_ENV"
           echo "WHEELS_OUTPUT_FOLDER=$GITHUB_WORKSPACE\\" >> "$GITHUB_ENV"
 
+      - name: Install conda build
+        run: |
+          conda install -n base -y conda-build
+          conda list -n base
+
       - name: Build conda package
         run: conda build --no-test --python ${{ matrix.python }} -c conda-forge -c conda-forge/label/python_rc --override-channels conda-recipe-cf
 

.github/workflows/conda-package.yml

@@ -104,8 +104,7 @@ jobs:
       - uses: conda-incubator/setup-miniconda@fc2d68f6413eb2d87b895e92f8584b5b94a10167 # v3.3.0
         with:
           miniforge-version: latest
-          auto-activate: true
-          activate-environment: base
+          activate-environment: build
           channels: conda-forge
           python-version: ${{ matrix.python }}
 
@@ -121,15 +120,17 @@ jobs:
             ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-python-${{ matrix.python }}-
             ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-
 
-      - name: Install conda-build
-        run: conda install conda-build
-
       - name: Store conda paths as envs
         shell: bash -el {0}
         run: |
-          echo "CONDA_BLD=$CONDA_PREFIX\\conda-bld\\win-64\\" >> "$GITHUB_ENV"
+          echo "CONDA_BLD=$CONDA\\conda-bld\\win-64\\" >> "$GITHUB_ENV"
           echo "WHEELS_OUTPUT_FOLDER=$GITHUB_WORKSPACE\\" >> "$GITHUB_ENV"
 
+      - name: Install conda build
+        run: |
+          conda install -n base -y conda-build
+          conda list -n base
+
       - name: Build conda package
         run: conda build --no-test --python ${{ matrix.python }} -c https://software.repos.intel.com/python/conda -c conda-forge -c conda-forge/label/python_rc --override-channels conda-recipe