Add branch 25_2 to DocGen

Author: alexslavr

.github/workflows/docgen-scheduler.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        branch: ['23_1', '23_2', '24_1', '24_2', '25_1']
+        branch: ['23_2', '24_1', '24_2', '25_1', '25_2']
 
     steps:
       - name: Get sources