feat: Add UI regex validation

[arya-girish-k]

Description

Add UI regex valiadation in ibm_catalog.json.

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Release notes content

This PR enables input validation in the UI for several string variables by leveraging the value_constraints array defined in the catalog. These constraints will be used by the UI to validate user input at runtime. The changed variables include:
prefix,existing_secrets_manager_crn,internet_services_crn,acme_letsencrypt_private_key_secrets_manager_secret_crn.

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[arya-girish-k]

/run pipeline

[arya-girish-k]

Tested the variables against different patterns, including null values, incorrect inputs, and correct inputs. Corresponding screenshots are attached below.

• existing_secrets_manager_crn

• acme_letsencrypt_private_key_secrets_manager_secret_crn

• internet _services_crn

[mukulpalit-ibm]

LGTM

[ocofaigh]

Left a comment. Please add the validation to the terraform code too

[arya-girish-k]

/run pipeline

[arya-girish-k]

Added validation and tested,PFA for the incorrect inputs.

• internet_services_crn

• existing_secrets_manager_crn

• acme_letsencrypt_private_key_secrets_manager_secret_crn

[arya-girish-k]

/run pipeline