ci: tweak use of vars

Author: stevenhsd

.github/workflows/ci_conda_publish.yml

@@ -80,8 +80,8 @@ jobs:
 
       - name: Upload Conda Artifact
         env:
-          ANACONDA_TOKEN = ${{ secrets.ANACONDA_TOKEN }}
-          ANACONDA_USER = ${{ secrets.ANACONDA_USER }}
+          ANACONDA_TOKEN: ${{ secrets.ANACONDA_TOKEN }}
+          ANACONDA_USER: ${{ secrets.ANACONDA_USER }}
         shell: bash -el {0}
         run: |
           anaconda login --token "$ANACONDA_TOKEN"