Update info for the Support Bundle (#69419)

* Update info for the Support Bundle

Add in a note that access to the Support Bundle requires Grafana 9.5 and above.

* Make the user/permission restriction more visible since it gets lost a little in the code block

* Run prettier

* Move the new content to Before you begin section

This is the pattern that we're following with other doc topics as well.

* fix a typo

* linting

---------

Co-authored-by: Vardan Torosyan <vardants@gmail.com>
Co-authored-by: Ieva <ieva.vasiljeva@grafana.com>

docs/sources/troubleshooting/support-bundles/index.md

@@ -19,6 +19,8 @@ When you encounter problems with your Grafana instance, you can send us a suppor
 - Grafana configuration
 - Deployed database information and migrations
 
+> **Note**: The Support Bundle is available on Grafana instances running 9.5 and above.
+
 ## Available support bundle components
 
 A support bundle can include any of the following components:
@@ -33,6 +35,15 @@ A support bundle can include any of the following components:
 - **LDAP**: Healthcheck connection and metadata for LDAP (only displayed if LDAP is enabled)
 - **OAuth2**: Healthcheck connection and metadata for each OAuth2 Provider supporter (only displayed if OAuth provider is enabled)
 
+## Before you begin
+
+To follow these instructions, you need the following permissions:
+
+- In Grafana Cloud, you need the organization administrator role.
+- In Grafana on-premises, you need the Grafana server administrator role.
+
+  Note that you can set `server_admin_only` configuration option to `false` to allow organization administrators to access support bundles in Grafana on-premises.
+
 ## Steps
 
 To generate a support bundle and send the support bundle to Grafana Labs via a support ticket: