Identical names for EN and SCC COS instances

[in-1911]

With the default deployment of the full stack, the COS instances created for SCC and Event Notifications are provisioned with the same name (like <prefix>-base-security-services-cos).
We should change the default values passed to the corresponding DAs to distinguish them.

Affected modules

Terraform CLI and Terraform provider versions

• Terraform version:
• Provider version:

Terraform output

Debug output

Expected behavior

Actual behavior

Steps to reproduce (including links and screen captures)

1. Run terraform apply

Anything else

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[in-1911]

[ocofaigh]

I'm updating the default name used in EN DA: terraform-ibm-modules/terraform-ibm-event-notifications#290

[ocofaigh]

Fix is in https://github.com/terraform-ibm-modules/dev-rag/releases/tag/v0.4.1