Chore [deps:terraform]: Bump terraform-aws-modules/rds-aurora/aws (#561)

Bumps [terraform-aws-modules/rds-aurora/aws](https://github.com/terraform-aws-modules/terraform-aws-rds-aurora) from 8.5.0 to 9.10.0.
- [Release notes](https://github.com/terraform-aws-modules/terraform-aws-rds-aurora/releases)
- [Changelog](https://github.com/terraform-aws-modules/terraform-aws-rds-aurora/blob/master/CHANGELOG.md)
- [Commits](terraform-aws-modules/terraform-aws-rds-aurora@v8.5.0...v9.10.0)

---
updated-dependencies:
- dependency-name: terraform-aws-modules/rds-aurora/aws
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

terraform/postgres.tf

@@ -41,7 +41,7 @@ resource "aws_ssm_parameter" "postgres_master_password" {
 module "postgres" {
   create  = true
   source  = "terraform-aws-modules/rds-aurora/aws"
-  version = "8.5.0"
+  version = "9.10.0"
 
   name                       = "${var.namespace}-postgres"
   cluster_use_name_prefix    = true