Auth: configure SSO settings reload interval from the ini file (#80290)

* configure sso reload interval from ini file

* change section name to sso_settings

pkg/setting/setting.go

@@ -342,6 +342,9 @@ type Cfg struct {
 	ExtendedJWTExpectIssuer   string
 	ExtendedJWTExpectAudience string
 
+	// SSO Settings Auth
+	SSOSettingsReloadInterval time.Duration
+
 	// Dataproxy
 	SendUserHeader                 bool
 	DataProxyLogging               bool
@@ -1623,6 +1626,10 @@ func readAuthSettings(iniFile *ini.File, cfg *Cfg) (err error) {
 
 	cfg.AuthProxyHeadersEncoded = authProxy.Key("headers_encoded").MustBool(false)
 
+	// SSO Settings
+	ssoSettings := iniFile.Section("sso_settings")
+	cfg.SSOSettingsReloadInterval = ssoSettings.Key("reload_interval").MustDuration(1 * time.Minute)
+
 	return nil
 }