Use any instead of interface{} (#20577)

* replace interface{} with any

app/admin.go

@@ -209,7 +209,7 @@ func (a *App) TestSiteURL(siteURL string) *model.AppError {
 
 func (a *App) TestEmail(userID string, cfg *model.Config) *model.AppError {
 	if *cfg.EmailSettings.SMTPServer == "" {
-		return model.NewAppError("testEmail", "api.admin.test_email.missing_server", nil, i18n.T("api.context.invalid_param.app_error", map[string]interface{}{"Name": "SMTPServer"}), http.StatusBadRequest)
+		return model.NewAppError("testEmail", "api.admin.test_email.missing_server", nil, i18n.T("api.context.invalid_param.app_error", map[string]any{"Name": "SMTPServer"}), http.StatusBadRequest)
 	}
 
 	// if the user hasn't changed their email settings, fill in the actual SMTP password so that
@@ -232,7 +232,7 @@ func (a *App) TestEmail(userID string, cfg *model.Config) *model.AppError {
 	license := a.Srv().License()
 	mailConfig := a.Srv().MailServiceConfig()
 	if err := mail.SendMailUsingConfig(user.Email, T("api.admin.test_email.subject"), T("api.admin.test_email.body"), mailConfig, license != nil && *license.Features.Compliance, "", "", "", ""); err != nil {
-		return model.NewAppError("testEmail", "app.admin.test_email.failure", map[string]interface{}{"Error": err.Error()}, "", http.StatusInternalServerError)
+		return model.NewAppError("testEmail", "app.admin.test_email.failure", map[string]any{"Error": err.Error()}, "", http.StatusInternalServerError)
 	}
 
 	return nil