Fixing Preview if condition

Author: lukdog

Diff for: .github/workflows/preview.yml

@@ -13,7 +13,7 @@ concurrency:
 
 jobs:
   run:
-    if: contains(github.event.pull_request.labels.*.name, 'preview') || ${{ github.ref_name == 'main' }}
+    if: ${{ contains(github.event.pull_request.labels.*.name, 'preview') || github.ref_name == 'main' }}
     runs-on: ubuntu-latest
     concurrency:
       group: netlify