feat(ci): fix megalinter trigger rules

.gitea/workflows/sec-megalinter.yml

@@ -4,10 +4,7 @@
 name: MegaLinter
 
 on:
-  # Trigger mega-linter at every push. Action will also be visible from Pull Requests to main
-  push: # Comment this line to trigger action only on pull-requests (not recommended if you don't pay for GH Actions)
-  pull_request:
-    branches: [master, main]
+  workflow_call:
 
 env: # Comment env block if you don't want to apply fixes
   # Apply linter fixes configuration