adding key_vault_id output to azure oidc module (#47)

* adding key_vault_id output to azure oidc module

* terraform-docs: automated action

---------

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

modules/github-azure-oidc/README.md

@@ -63,6 +63,7 @@ No modules.
 |------|-------------|
 | <a name="output_bootstrap_client_id"></a> [bootstrap\_client\_id](#output\_bootstrap\_client\_id) | Bootstrap repository client id for authenticating with oidc. |
 | <a name="output_container_name"></a> [container\_name](#output\_container\_name) | Terraform state container name. |
+| <a name="output_key_vault_id"></a> [key\_vault\_id](#output\_key\_vault\_id) | Azure key vault id for github foundation secrets. |
 | <a name="output_organization_client_id"></a> [organization\_client\_id](#output\_organization\_client\_id) | Organizations repository client id for authenticating with oidc. |
 | <a name="output_resource_group"></a> [resource\_group](#output\_resource\_group) | Resource group name. |
 | <a name="output_sa_name"></a> [sa\_name](#output\_sa\_name) | Terraform state container storage account name. |

modules/github-azure-oidc/outputs.tf

@@ -31,4 +31,9 @@ output "sa_name" {
 output "container_name" {
   description = "Terraform state container name."
   value       = local.tf_state_container.name
+}
+
+output "key_vault_id" {
+  description = "Azure key vault id for github foundation secrets."
+  value = var.kv_name != "" ? data.azurerm_key_vault.key_vault[0].id : ""
 }