Potential fix for code scanning alert no. 4: Workflow does not contain permissions

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

Author: VoidX3D

.github/workflows/optimize-images.yml

@@ -12,6 +12,9 @@
 
 name: Optimize Storage Images
 
+permissions:
+  contents: read
+
 on:
   schedule:
     - cron: '0 6 * * 1'