chore(renovate): allow major updates for github actions

Agent-Logs-Url: https://github.com/DevExpress/DevExtreme.AspNet.Data/sessions/db3a0aeb-7eaa-4ef9-9f7b-86f07454d5e9

Co-authored-by: pharret31 <5155575+pharret31@users.noreply.github.com>

Author: Copilot

renovate.json

@@ -20,6 +20,11 @@
       "excludePackageNames": [ "DevExpress.Xpo", "FluentNHibernate" ],
       "matchUpdateTypes": [ "major" ],
       "enabled": false
+    },
+    {
+      "matchManagers": [ "github-actions" ],
+      "matchUpdateTypes": [ "major" ],
+      "enabled": true
     }
   ],
   "reviewers": [