Chore: Add missing tls_skip_verify_insecure for GitLab Oauth (#64649)

fixes https://github.com/grafana/grafana/issues/64648

Signed-off-by: junya koyama <arukiidou@yahoo.co.jp>

conf/sample.ini

@@ -598,6 +598,7 @@
 ;role_attribute_strict = false
 ;allow_assign_grafana_admin = false
 ;skip_org_role_sync = false
+;tls_skip_verify_insecure = false
 
 #################################### Google Auth ##########################
 [auth.google]

docs/sources/setup-grafana/configure-security/configure-authentication/gitlab/index.md

@@ -61,6 +61,7 @@ allowed_groups =
 role_attribute_path =
 role_attribute_strict = false
 allow_assign_grafana_admin = false
+tls_skip_verify_insecure = false
 ```
 
 You may have to set the `root_url` option of `[server]` for the callback URL to be
@@ -140,6 +141,7 @@ allowed_groups = example, foo/bar
 role_attribute_path = is_admin && 'Admin' || 'Viewer'
 role_attribute_strict = true
 allow_assign_grafana_admin = false
+tls_skip_verify_insecure = false
 ```
 
 ### Configure automatic login