Increase ShiftStack master RAM to 24GB to reduce bootstrap timeout race

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: tusharjadhav3302

jobs_definitions/osp_verification.yaml

@@ -44,7 +44,7 @@ ocp_deployment_topology:
   flavors:
     master:
       name: "master"
-      ram: 16384
+      ram: 24576
       vcpus: 4
       disk: 30
     worker: