fix workflow format (#610)

Signed-off-by: vsoch <[email protected]>

Signed-off-by: vsoch <[email protected]>
Co-authored-by: vsoch <[email protected]>

Author: vsoch

.github/workflows/alert-action-updates.yaml

@@ -1,7 +1,7 @@
 name: Check Actions Once a Year
 on:
   schedule:
-    cron: 0 0 1 6 *
+    - cron: "0 0 1 6 *"
 
 jobs:
   test-detect: