action: trim description to <125 chars for Marketplace

Marketplace requires description under 125 chars; previous was 135.
No code change. Only impacts action.yml metadata.

Author: ratamaha-git

action.yml

@@ -1,5 +1,5 @@
 name: 'SEO Performance Report'
-description: 'Pull GSC + Matomo + GA4 + Clarity + AI citations into one verdict per blog post (refresh / expand / merge / kill / double_down / hold).'
+description: 'Unify GSC, Matomo, GA4, Clarity, and AI citations into one verdict per blog post: refresh, expand, merge, kill, hold.'
 author: 'automatelab.tech'
 
 branding: