ci: let Security Checks be run by hand

Author: fidgetcoding

.github/workflows/security.yml

@@ -7,6 +7,7 @@ on:
     branches: [main]
   schedule:
     - cron: '0 9 * * 1' # Weekly Monday 9am UTC
+  workflow_dispatch:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}