chore(deps): update GoogleCloudPlatform/sql-db/google requirement from ~> 22.1.0 to ~> 25.2.2

Updates the requirements on [GoogleCloudPlatform/sql-db/google](https://github.com/terraform-google-modules/terraform-google-sql-db) to permit the latest version.
- [Release notes](https://github.com/terraform-google-modules/terraform-google-sql-db/releases)
- [Changelog](https://github.com/terraform-google-modules/terraform-google-sql-db/blob/main/CHANGELOG.md)
- [Commits](terraform-google-modules/terraform-google-sql-db@v22.1.0...v25.2.2)

---
updated-dependencies:
- dependency-name: GoogleCloudPlatform/sql-db/google
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

main.tf

@@ -241,7 +241,7 @@ resource "local_file" "kubeconfig" {
 # Module Registry - https://registry.terraform.io/modules/GoogleCloudPlatform/sql-db/google/12.0.0/submodules/postgresql
 module "postgresql" {
   source     = "GoogleCloudPlatform/sql-db/google//modules/postgresql"
-  version    = "~> 22.1.0"
+  version    = "~> 25.2.2"
   project_id = var.project
 
   for_each = local.postgres_servers != null ? length(local.postgres_servers) != 0 ? local.postgres_servers : {} : {}