Update snyk-container.yml

.github/workflows/snyk-container.yml

@@ -14,13 +14,9 @@
 name: Snyk Container
 
 on:
-  push:
-    branches: [ main ]
   pull_request:
     # The branches below must be a subset of the branches above
     branches: [ main ]
-  schedule:
-    - cron: '18 21 * * 3'
 
 permissions:
   contents: read