fix(ci): pass environment input via env var instead of shell interpolation

Author: TheodoreSpeaks

.github/workflows/migrations.yml

@@ -58,15 +58,16 @@ jobs:
         working-directory: ./packages/db
         env:
           DATABASE_URL: ${{ secrets.MIGRATIONS_DATABASE_URL }}
+          ENVIRONMENT: ${{ inputs.environment }}
         run: |
           if [ -z "$DATABASE_URL" ]; then
-            echo "ERROR: MIGRATIONS_DATABASE_URL is not set on environment '${{ inputs.environment }}'" >&2
+            echo "ERROR: MIGRATIONS_DATABASE_URL is not set on environment '${ENVIRONMENT}'" >&2
             exit 1
           fi
 
           echo "Applying versioned migrations (db:migrate)"
           bun run ./scripts/migrate.ts
-          if [ "${{ inputs.environment }}" = "dev" ]; then
+          if [ "${ENVIRONMENT}" = "dev" ]; then
             echo "Dev environment — also pushing unversioned schema drift (db:push)"
             bun run db:push --force
           fi