Add ability to override engine-version.

cloud/aws/rds_serverless/inputs.tf

@@ -41,6 +41,10 @@ variable "engine" {
     condition     = contains(["aurora-mysql", "aurora-postgresql"], var.engine)
   }
 }
+variable "engine_version" {
+  type    = string
+  default = "8.0"
+}
 
 variable "scaling" {
   type = object({

cloud/aws/rds_serverless/rds.tf

@@ -1,6 +1,11 @@
 data "aws_rds_engine_version" "latest" {
-  engine = var.engine
-  latest = true
+  engine  = var.engine
+  version = var.engine_version
+  latest  = true
+  filter {
+    name   = "engine-version"
+    values = [var.engine_version]
+  }
   filter {
     name   = "engine-mode"
     values = ["provisioned"]