fix: Healthcheck update (#569)

* fix: update landing page

* fix: update stac browser url

Author: wphyojpl

tf-module/unity-cumulus/main.tf

@@ -182,7 +182,7 @@ resource "aws_ssm_parameter" "health_check_value" {
   tier = "Advanced"
   value = jsonencode({
     healthCheckUrl   = "${var.uds_base_url}/${var.dapa_api_prefix}/collections",
-    landingPageUrl   = "${var.unity_ui_base_url}/data/misc/stac_entry",
+    landingPageUrl   = "${var.unity_ui_base_url}/data/stac_browser/",
     componentName    = "Data Catalog",
   })
   tags = var.tags