feat: merge in SCC workload protection features

[ocofaigh]

Description

• merge in SCC workload protection features
• cleanup to examples / tests
• renamed input cloud_monitoring_instance_region -> instance_region

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• If relevant, a test for the change is included or updated with this PR.
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[ocofaigh]

/run pipeline

[ocofaigh]

/run pipeline

[ocofaigh]

Upgrade test needs to be skipped due to variable renamed:

         2025/07/18 11:43:44 Terraform plan | Error: No value for required variable
         2025/07/18 11:43:44 Terraform plan | 
         2025/07/18 11:43:44 Terraform plan |   on variables.tf line 72:
         2025/07/18 11:43:44 Terraform plan |   72: variable "cloud_monitoring_instance_region" {

[ocofaigh]

/run pipeline

[terraform-ibm-modules-ops]

🎉 This PR is included in version 1.4.0 🎉

The release is available on:

• GitHub release
• v1.4.0

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