feat(Cloud Databases): Update Database Password Complexity Validation

[alexhemard]

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Please note, effective 15 December 2024, IBM Cloud Databases is changing how we enforce password complexity for database users created using the UI and API.

What are we changing?

IBM Cloud Databases will begin enforcing password complexity validation for database users created using the IBM Cloud console, CLI, API and Terraform. Database user passwords will be required to be a minimum of 15 characters, contain at least one letter and number and a mix of uppercase and lowercase letters.

This adds client side validation for the new database password complexity requirements that will go in effect December 15, 2024.

Output from acceptance testing:

$ make testacc TESTARGS='-run=TestAccIBMDatabaseInstance'

--- PASS: TestAccIBMDatabaseInstanceMongodbImport (370.45s)
--- PASS: TestAccIBMDatabaseInstanceEtcdImport (481.88s)
--- PASS: TestAccIBMDatabaseInstanceRabbitmqImport (562.93s)
--- PASS: TestAccIBMDatabaseInstanceRedisImport (570.76s)
--- PASS: TestAccIBMDatabaseInstancePostgresImport (672.71s)
--- PASS: TestAccIBMDatabaseInstanceElasticsearchImport (463.82s)
--- PASS: TestAccIBMDatabaseInstance_Redis_Basic (858.17s)
--- PASS: TestAccIBMDatabaseInstance_Rabbitmq_Basic (874.56s)
--- PASS: TestAccIBMDatabaseInstanceMySQLReadReplicaPromotion (1269.13s)
--- PASS: TestAccIBMDatabaseInstancePostgresPITR (1394.44s)
--- PASS: TestAccIBMDatabaseInstance_Elasticsearch_Basic (890.80s)
--- PASS: TestAccIBMDatabaseInstanceMongodbBasic (1552.88s)
--- PASS: TestAccIBMDatabaseInstancePostgresReadReplicaPromotion (1602.17s)
--- PASS: TestAccIBMDatabaseInstance_ElasticsearchPlatinum_Basic (1585.24s)
--- PASS: TestAccIBMDatabaseInstance_ElasticsearchPlatinum_Group (2428.03s)
--- PASS: TestAccIBMDatabaseInstance_ElasticsearchPlatinum_Node (3007.49s)
--- PASS: TestAccIBMDatabaseInstance_Etcd_Basic (3906.19s)
--- PASS: TestAccIBMDatabaseInstanceEDBReadReplicaPromotion (4128.39s)

go test github.com/IBM-Cloud/terraform-provider-ibm/ibm/service/database
ok  	github.com/IBM-Cloud/terraform-provider-ibm/ibm/service/database	0.797s


...

[omaraibrahim]

LGTM

[omaraibrahim]

LGTM