Move Grafana to its own sync group

The Grafana repository often fails to sync due to server side issues.
These failures cause the other third party repos to fail.

This change moves grafan to its own sync group so no other syncs are
affected.

Author: Alex-Welsh

ansible/inventory/group_vars/all/package-repos

@@ -213,7 +213,7 @@ rpm_package_repos:
     policy: on_demand
     base_path: grafana/oss/rpm/
     short_name: grafana
-    sync_group: third_party
+    sync_group: grafana
     distribution_name: grafana-
   - name: MariaDB 10.5
     url: https://dlm.mariadb.com/repo/mariadb-server/10.5/yum/rhel/8/x86_64