Dry run on non-default branch

Author: recmanj

.github/workflows/cd.yml

@@ -19,7 +19,7 @@ jobs:
     name: "${{ startsWith(github.ref, 'refs/tags/') && 'Build and Release' || 'Dry Run' }}"
     if: |
       startsWith(github.ref, 'refs/tags/') ||
-      github.ref_name == github.event.repository.default_branch ||
+      github.ref_name != github.event.repository.default_branch ||
       (github.event.pull_request.base.ref == github.event.repository.default_branch && github.event.label.name == 'approved-for-cd')
     uses: ecmwf/reusable-workflows/.github/workflows/main-cd.yml@cd-conda-boa-removal
     with: