gha: cflite: move cronjob timing

Signed-off-by: Aleksa Sarai <cyphar@cyphar.com>

Author: cyphar

.github/workflows/cflite-batch.yml

@@ -18,7 +18,7 @@ name: ClusterFuzzLite
 
 on:
   schedule:
-    - cron: '30 0/8 * * *' # once every 8 hours
+    - cron: '0 0/8 * * *' # once every 8 hours
 
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