feat: add support for SCC Custom Security Health Analytics module in … (#3372)

* feat: add support for SCC Custom Security Health Analytics module in organization, folder and project modules

* fix: update description and docs

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Co-authored-by: Julio Castillo <jccb@google.com>

modules/project/logging-metrics.tf

@@ -63,13 +63,18 @@ locals {
 }
 
 resource "google_logging_metric" "metrics" {
-  for_each         = local.metrics
-  project          = local.project.project_id
-  name             = each.key
-  filter           = each.value.filter
-  description      = each.value.description
-  disabled         = each.value.disabled
-  bucket_name      = each.value.bucket_name
+  for_each    = local.metrics
+  project     = local.project.project_id
+  name        = each.key
+  filter      = each.value.filter
+  description = each.value.description
+  disabled    = each.value.disabled
+  bucket_name = try(
+    # first try to check the context
+    var.context.logging_bucket_names[each.value.bucket_name],
+    # if nothing else, use the provided channel as is
+    each.value.bucket_name
+  )
   value_extractor  = each.value.value_extractor
   label_extractors = each.value.label_extractors