fix syntax

Author: ncooke3

.github/workflows/zip.yml

@@ -271,7 +271,7 @@ jobs:
     strategy:
       matrix:
         os: [macos-15]
-        artifact: [Firebase-actions-dir] , Firebase-actions-dir-dynamic]
+        artifact: [Firebase-actions-dir, Firebase-actions-dir-dynamic]
         include:
           - os: macos-15
             xcode: Xcode_16.4