Refactor key vault types

[mateo762]

This pull request includes several changes to the Scenarios/Secure-Baseline/bicepWithAVM files, focusing on enhancing the key vault and secret management. The most important changes include importing new types, adding new parameters, and updating existing types to support more detailed configurations.

Enhancements to Key Vault and Secret Management:

• Scenarios/Secure-Baseline/bicepWithAVM/03-Supporting-Services/main.bicep: Added secretType to the imports and introduced a new parameter for secrets to be created in the key vault. [1] [2]
• Scenarios/Secure-Baseline/bicepWithAVM/03-Supporting-Services/main.bicepparam: Added a new parameter secrets to support secret configurations.

Updates to Key Vault Types:

• Scenarios/Secure-Baseline/bicepWithAVM/03-Supporting-Services/modules/key-vault/types.bicep: Removed redundant types curveNameType and ktyType, and directly defined their values in the keyType. [1] [2]
• Scenarios/Secure-Baseline/bicepWithAVM/03-Supporting-Services/modules/key-vault/types.bicep: Added a new secretType to define the properties of secrets, including attributes, content type, tags, and role assignments.