also comment out schedule:

Author: mulle-nat

.github/workflows/semgrep.yml

@@ -7,7 +7,7 @@ on:
     - master
     paths:
     - .github/workflows/semgrep.yml
-  schedule:
+# schedule:
   # random HH:MM to avoid a load spike on GitHub Actions at 00:00
 #  - cron: 57 22 * * *
 name: Semgrep