Vaultclient update to allow usage of superadmin APIs without superadmin credentials

[williamlardier]

With a test file used to try out the changes (PoC), just for reference, won't be merged.

Output:

[OK] ListAccounts account
[OK] CreateAccount account
[OK] GetAccount account
[OK] CheckPermissions oidc_storage_manager
[OK] GetAccount oidc_storage_manager
[OK] CheckPermissions oidc_storage_account_owner
[OK] GetAccount oidc_storage_account_owner
[OK] CheckPermissions oidc_data_consumer
[OK] GetAccount oidc_data_consumer
[OK] CreateAccount oidc_storage_account_owner
[OK] CreateAccount oidc_data_consumer
[OK] ListAccounts storage_manager
[OK] ListAccounts admin
[OK] ListAccounts storage_account_owner
[OK] GetAccount admin
[OK] ListAccounts oidc_storage_manager
[OK] CheckPermissions admin
[OK] ListAccounts data_consumer
[OK] CreateAccount storage_account_owner
[OK] CreateAccount data_consumer
[OK] CreateAccount storage_manager
[OK] CheckPermissions account
[OK] GetAccount data_consumer
[OK] GetAccount storage_manager
[OK] GetAccount storage_account_owner
[OK] CheckPermissions storage_manager
[OK] CheckPermissions data_consumer
[OK] CheckPermissions storage_account_owner
[OK] CreateAccount oidc_storage_manager
[OK] CreateAccount admin
[OK] ListAccounts oidc_storage_account_owner
[OK] ListAccounts oidc_data_consumer

[bert-e]

Hello williamlardier,

My role is to assist you with the merge of this
pull request. Please type @bert-e help to get information
on this process, or consult the user documentation.

Status report is not available.

[bert-e]

Missing Jira issue

It is mandatory to specify a Jira issue in the source branch name
in order to merge into development/8.3. The issue key must follow
the prefix of the branch.

I could not find such an issue in feature/VLTCLT-test-support-role-in-superadmin-apis.