fix(ci): remove env.target where not allowed (#1081)

.github/workflows/merge.yml

@@ -25,10 +25,6 @@ concurrency:
   group: ${{ github.workflow }}
   cancel-in-progress: false
 
-env:
-  # Input, test (if ref=main) or demo
-  target: ${{ inputs.target || github.ref == github.event.repository.default_branch && 'test' || 'demo' }}
-
 jobs:
   # Deploy to TEST or DEMO (both use TEST namespace)
   deploys:
@@ -38,7 +34,7 @@ jobs:
     with:
       environment: test
       tag: ${{ inputs.tag }} # Uses PR number if blank
-      target: ${{ env.target }}
+      target: ${{ inputs.target || github.ref == github.event.repository.default_branch && 'test' || 'demo' }}
       test: true
 
   # Only deploy to PROD from the main (default) branch