chore(zap_scan): remove schedule and don't create issue

.github/workflows/security.yml

@@ -1,13 +1,7 @@
-name: Perform Weekly Security Audit with ZAProxy
+name: Perform Security Audit with ZAProxy
 # Use ZAP Proxy to perform a full scan of the production site.
-# Scan automatically opens an issue after completion
-# with results of the audit.
 
 on:
-  schedule:
-    # 00:00 UTC Midnight on Mondays
-    - cron: '0 0 * * 1'
-
   # manually trigger workflow
   workflow_dispatch:
 
@@ -36,5 +30,5 @@ jobs:
         with:
           target: 'https://chitchatter.im/'
           rules_file_name: '.zap/rules.tsv'
-          issue_title: 'Security Report - ${{ steps.set-now.outputs.NOW }}'
           artifact_name: 'zap_scan_${{ steps.set-now.outputs.NOW }}'
+          allow_issue_writing: false