ci: empty string makes contains true

Author: brc-dd

.github/workflows/ci.yml

@@ -28,8 +28,8 @@ jobs:
       matrix:
         node_version: [18, 20, 22]
         exclude:
-          - node_version: ${{ contains('labeled,ready_for_review', github.event.action) && 18 }}
-          - node_version: ${{ contains('labeled,ready_for_review', github.event.action) && 20 }}
+          - node_version: ${{ (github.event.action == 'labeled' || github.event.action == 'ready_for_review') && 18 }}
+          - node_version: ${{ (github.event.action == 'labeled' || github.event.action == 'ready_for_review') && 20 }}
 
     steps:
       - name: Checkout