chore(deps): update grafana docker tag to v10

This MR contains the following updates:

Package	Update	Change
grafana	major	9.5.21 -> 10.4.16

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roles/grafana/defaults/main.yml

@@ -4,7 +4,7 @@ grafana_data_dir: "{{ grafana_project_src }}/data"
 
 # renovate:
 grafana_image: grafana/grafana
-grafana_version: 9.5.21
+grafana_version: 10.4.16
 
 grafana_admin_user: admin
 grafana_admin_password: gr4f4n4