fix: aws provider v5 compatibility (#41)

Author: loganlinn

main.tf

@@ -63,7 +63,7 @@ locals {
   datadog_lambda_layer_version = lookup(local.runtime_base_layer_version_map, local.runtime_base, "")
 
   datadog_account_id      = (data.aws_partition.current.partition == "aws-us-gov") ? "002406178527" : "464622532012"
-  datadog_layer_name_base = "arn:${data.aws_partition.current.partition}:lambda:${data.aws_region.current.region}:${local.datadog_account_id}:layer"
+  datadog_layer_name_base = "arn:${data.aws_partition.current.partition}:lambda:${data.aws_region.current.name}:${local.datadog_account_id}:layer"
   datadog_layer_suffix    = lookup(local.architecture_layer_suffix_map, var.architectures[0])
 
   environment_variables = {